For this case we have that the relationship is direct.
 Therefore, we have:

 Where,
 y: distance traveled in kilometers
 x: number of liters of fuel
 k: proportionality constant
 We must look for the value of k. For this, we use the following data:
 This car can travel 476 kilometers on 17 liters of fuel.
 Substituting values we have:
 
 From here, we clear the value of k:
 
 Therefore, the relationship is:

 For 1428 kilometers we have:

 Clearing the amount of fuel we have:
 
 Answer:
 51 liters of fuel are required for the vehicle to travel 1,428 kilometers