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Finding the Fourth Proportional to 888,002.10, 1,332,003.15 and 806,645.70

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Solution

The fourth proportional to 888,002.10, 1,332,003.15 and 806,645.70 is: 1,209,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,002.10 : 1,332,003.15 = 806,645.70 : x
  2. Step 2: Convert to fraction form
    888,002.10/1,332,003.15 = 806,645.70/x
  3. Step 3: Cross multiply
    888,002.10x = 1,332,003.15 × 806,645.70
  4. Step 4: Simplify right side
    888,002.10x = 1,074,454,613,333.95
  5. Step 5: Solve for x
    x = 1,074,454,613,333.95/888,002.10
  6. Step 6: Final answer
    x = 1,209,968.55

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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.