Home / 1,251,391.32-1,726,897.50-707,517.72

Finding the Fourth Proportional to 1,251,391.32, 1,726,897.50 and 707,517.72

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Solution

The fourth proportional to 1,251,391.32, 1,726,897.50 and 707,517.72 is: 976,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,391.32 : 1,726,897.50 = 707,517.72 : x
  2. Step 2: Convert to fraction form
    1,251,391.32/1,726,897.50 = 707,517.72/x
  3. Step 3: Cross multiply
    1,251,391.32x = 1,726,897.50 × 707,517.72
  4. Step 4: Simplify right side
    1,251,391.32x = 1,221,810,581,873.70
  5. Step 5: Solve for x
    x = 1,221,810,581,873.70/1,251,391.32
  6. Step 6: Final answer
    x = 976,361.72

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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.