Home / 1,251,382.32-1,726,885.08-707,508.72

Finding the Fourth Proportional to 1,251,382.32, 1,726,885.08 and 707,508.72

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Solution

The fourth proportional to 1,251,382.32, 1,726,885.08 and 707,508.72 is: 976,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,382.32 : 1,726,885.08 = 707,508.72 : x
  2. Step 2: Convert to fraction form
    1,251,382.32/1,726,885.08 = 707,508.72/x
  3. Step 3: Cross multiply
    1,251,382.32x = 1,726,885.08 × 707,508.72
  4. Step 4: Simplify right side
    1,251,382.32x = 1,221,786,252,537.90
  5. Step 5: Solve for x
    x = 1,221,786,252,537.90/1,251,382.32
  6. Step 6: Final answer
    x = 976,349.30

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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.