Home / 1,125,474.68-1,553,373.65-853,067.43

Finding the Fourth Proportional to 1,125,474.68, 1,553,373.65 and 853,067.43

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Solution

The fourth proportional to 1,125,474.68, 1,553,373.65 and 853,067.43 is: 1,177,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,474.68 : 1,553,373.65 = 853,067.43 : x
  2. Step 2: Convert to fraction form
    1,125,474.68/1,553,373.65 = 853,067.43/x
  3. Step 3: Cross multiply
    1,125,474.68x = 1,553,373.65 × 853,067.43
  4. Step 4: Simplify right side
    1,125,474.68x = 1,325,132,469,567.89
  5. Step 5: Solve for x
    x = 1,325,132,469,567.89/1,125,474.68
  6. Step 6: Final answer
    x = 1,177,398.74

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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.