Home / 1,307,381.28-1,961,171.28-508,319.52

Finding the Fourth Proportional to 1,307,381.28, 1,961,171.28 and 508,319.52

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Solution

The fourth proportional to 1,307,381.28, 1,961,171.28 and 508,319.52 is: 762,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,381.28 : 1,961,171.28 = 508,319.52 : x
  2. Step 2: Convert to fraction form
    1,307,381.28/1,961,171.28 = 508,319.52/x
  3. Step 3: Cross multiply
    1,307,381.28x = 1,961,171.28 × 508,319.52
  4. Step 4: Simplify right side
    1,307,381.28x = 996,901,643,687.39
  5. Step 5: Solve for x
    x = 996,901,643,687.39/1,307,381.28
  6. Step 6: Final answer
    x = 762,517.91

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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.