Home / 745,355.73-1,115,934.06-669,773.01

Finding the Fourth Proportional to 745,355.73, 1,115,934.06 and 669,773.01

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Solution

The fourth proportional to 745,355.73, 1,115,934.06 and 669,773.01 is: 1,002,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,355.73 : 1,115,934.06 = 669,773.01 : x
  2. Step 2: Convert to fraction form
    745,355.73/1,115,934.06 = 669,773.01/x
  3. Step 3: Cross multiply
    745,355.73x = 1,115,934.06 × 669,773.01
  4. Step 4: Simplify right side
    745,355.73x = 747,422,514,327.72
  5. Step 5: Solve for x
    x = 747,422,514,327.72/745,355.73
  6. Step 6: Final answer
    x = 1,002,772.88

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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.