Home / 1,254,139.68-1,730,458.68-763,780.50

Finding the Fourth Proportional to 1,254,139.68, 1,730,458.68 and 763,780.50

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Solution

The fourth proportional to 1,254,139.68, 1,730,458.68 and 763,780.50 is: 1,053,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,139.68 : 1,730,458.68 = 763,780.50 : x
  2. Step 2: Convert to fraction form
    1,254,139.68/1,730,458.68 = 763,780.50/x
  3. Step 3: Cross multiply
    1,254,139.68x = 1,730,458.68 × 763,780.50
  4. Step 4: Simplify right side
    1,254,139.68x = 1,321,690,595,839.74
  5. Step 5: Solve for x
    x = 1,321,690,595,839.74/1,254,139.68
  6. Step 6: Final answer
    x = 1,053,862.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.