Home / 1,002,354.56-1,504,814.89-861,103.52

Finding the Fourth Proportional to 1,002,354.56, 1,504,814.89 and 861,103.52

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Solution

The fourth proportional to 1,002,354.56, 1,504,814.89 and 861,103.52 is: 1,292,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,354.56 : 1,504,814.89 = 861,103.52 : x
  2. Step 2: Convert to fraction form
    1,002,354.56/1,504,814.89 = 861,103.52/x
  3. Step 3: Cross multiply
    1,002,354.56x = 1,504,814.89 × 861,103.52
  4. Step 4: Simplify right side
    1,002,354.56x = 1,295,801,398,727.41
  5. Step 5: Solve for x
    x = 1,295,801,398,727.41/1,002,354.56
  6. Step 6: Final answer
    x = 1,292,757.52

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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.