Home / 1,002,565.39-1,383,540.56-543,679.83

Finding the Fourth Proportional to 1,002,565.39, 1,383,540.56 and 543,679.83

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Solution

The fourth proportional to 1,002,565.39, 1,383,540.56 and 543,679.83 is: 750,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,565.39 : 1,383,540.56 = 543,679.83 : x
  2. Step 2: Convert to fraction form
    1,002,565.39/1,383,540.56 = 543,679.83/x
  3. Step 3: Cross multiply
    1,002,565.39x = 1,383,540.56 × 543,679.83
  4. Step 4: Simplify right side
    1,002,565.39x = 752,203,090,591.03
  5. Step 5: Solve for x
    x = 752,203,090,591.03/1,002,565.39
  6. Step 6: Final answer
    x = 750,278.33

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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.