Home / 1,657,355.25-2,486,025.79-459,274.13

Finding the Fourth Proportional to 1,657,355.25, 2,486,025.79 and 459,274.13

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Solution

The fourth proportional to 1,657,355.25, 2,486,025.79 and 459,274.13 is: 688,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,355.25 : 2,486,025.79 = 459,274.13 : x
  2. Step 2: Convert to fraction form
    1,657,355.25/2,486,025.79 = 459,274.13/x
  3. Step 3: Cross multiply
    1,657,355.25x = 2,486,025.79 × 459,274.13
  4. Step 4: Simplify right side
    1,657,355.25x = 1,141,767,331,859.81
  5. Step 5: Solve for x
    x = 1,141,767,331,859.81/1,657,355.25
  6. Step 6: Final answer
    x = 688,909.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.