Home / 1,247,542.80-1,721,418.12-703,654.80

Finding the Fourth Proportional to 1,247,542.80, 1,721,418.12 and 703,654.80

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Solution

The fourth proportional to 1,247,542.80, 1,721,418.12 and 703,654.80 is: 970,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,542.80 : 1,721,418.12 = 703,654.80 : x
  2. Step 2: Convert to fraction form
    1,247,542.80/1,721,418.12 = 703,654.80/x
  3. Step 3: Cross multiply
    1,247,542.80x = 1,721,418.12 × 703,654.80
  4. Step 4: Simplify right side
    1,247,542.80x = 1,211,284,122,944.98
  5. Step 5: Solve for x
    x = 1,211,284,122,944.98/1,247,542.80
  6. Step 6: Final answer
    x = 970,935.93

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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.