Home / 1,272,412.92-1,755,931.92-699,456.72

Finding the Fourth Proportional to 1,272,412.92, 1,755,931.92 and 699,456.72

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Solution

The fourth proportional to 1,272,412.92, 1,755,931.92 and 699,456.72 is: 965,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,412.92 : 1,755,931.92 = 699,456.72 : x
  2. Step 2: Convert to fraction form
    1,272,412.92/1,755,931.92 = 699,456.72/x
  3. Step 3: Cross multiply
    1,272,412.92x = 1,755,931.92 × 699,456.72
  4. Step 4: Simplify right side
    1,272,412.92x = 1,228,198,381,306.50
  5. Step 5: Solve for x
    x = 1,228,198,381,306.50/1,272,412.92
  6. Step 6: Final answer
    x = 965,251.42

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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.