Home / 1,139,770.04-1,572,500.66-656,324.78

Finding the Fourth Proportional to 1,139,770.04, 1,572,500.66 and 656,324.78

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Solution

The fourth proportional to 1,139,770.04, 1,572,500.66 and 656,324.78 is: 905,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,770.04 : 1,572,500.66 = 656,324.78 : x
  2. Step 2: Convert to fraction form
    1,139,770.04/1,572,500.66 = 656,324.78/x
  3. Step 3: Cross multiply
    1,139,770.04x = 1,572,500.66 × 656,324.78
  4. Step 4: Simplify right side
    1,139,770.04x = 1,032,071,149,724.35
  5. Step 5: Solve for x
    x = 1,032,071,149,724.35/1,139,770.04
  6. Step 6: Final answer
    x = 905,508.23

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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.