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Finding the Fourth Proportional to 1,327,745, 1,832,279.68 and 754,785.20

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Solution

The fourth proportional to 1,327,745, 1,832,279.68 and 754,785.20 is: 1,041,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,745 : 1,832,279.68 = 754,785.20 : x
  2. Step 2: Convert to fraction form
    1,327,745/1,832,279.68 = 754,785.20/x
  3. Step 3: Cross multiply
    1,327,745x = 1,832,279.68 × 754,785.20
  4. Step 4: Simplify right side
    1,327,745x = 1,382,977,584,724.74
  5. Step 5: Solve for x
    x = 1,382,977,584,724.74/1,327,745
  6. Step 6: Final answer
    x = 1,041,598.79

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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.