Home / 1,242,565.52-1,717,796.16-1,231,198.61

Finding the Fourth Proportional to 1,242,565.52, 1,717,796.16 and 1,231,198.61

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Solution

The fourth proportional to 1,242,565.52, 1,717,796.16 and 1,231,198.61 is: 1,702,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,565.52 : 1,717,796.16 = 1,231,198.61 : x
  2. Step 2: Convert to fraction form
    1,242,565.52/1,717,796.16 = 1,231,198.61/x
  3. Step 3: Cross multiply
    1,242,565.52x = 1,717,796.16 × 1,231,198.61
  4. Step 4: Simplify right side
    1,242,565.52x = 2,114,948,235,866.36
  5. Step 5: Solve for x
    x = 2,114,948,235,866.36/1,242,565.52
  6. Step 6: Final answer
    x = 1,702,081.87

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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.