Home / 1,472,635.84-2,206,066.92-763,129.30

Finding the Fourth Proportional to 1,472,635.84, 2,206,066.92 and 763,129.30

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Solution

The fourth proportional to 1,472,635.84, 2,206,066.92 and 763,129.30 is: 1,143,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,635.84 : 2,206,066.92 = 763,129.30 : x
  2. Step 2: Convert to fraction form
    1,472,635.84/2,206,066.92 = 763,129.30/x
  3. Step 3: Cross multiply
    1,472,635.84x = 2,206,066.92 × 763,129.30
  4. Step 4: Simplify right side
    1,472,635.84x = 1,683,514,304,412.76
  5. Step 5: Solve for x
    x = 1,683,514,304,412.76/1,472,635.84
  6. Step 6: Final answer
    x = 1,143,197.97

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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.