Home / 1,276,337.80-1,761,358.18-703,398.92

Finding the Fourth Proportional to 1,276,337.80, 1,761,358.18 and 703,398.92

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Solution

The fourth proportional to 1,276,337.80, 1,761,358.18 and 703,398.92 is: 970,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,337.80 : 1,761,358.18 = 703,398.92 : x
  2. Step 2: Convert to fraction form
    1,276,337.80/1,761,358.18 = 703,398.92/x
  3. Step 3: Cross multiply
    1,276,337.80x = 1,761,358.18 × 703,398.92
  4. Step 4: Simplify right side
    1,276,337.80x = 1,238,937,441,545.17
  5. Step 5: Solve for x
    x = 1,238,937,441,545.17/1,276,337.80
  6. Step 6: Final answer
    x = 970,697.13

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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.