Home / 1,106,131.78-1,659,542.15-396,165.97

Finding the Fourth Proportional to 1,106,131.78, 1,659,542.15 and 396,165.97

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Solution

The fourth proportional to 1,106,131.78, 1,659,542.15 and 396,165.97 is: 594,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,131.78 : 1,659,542.15 = 396,165.97 : x
  2. Step 2: Convert to fraction form
    1,106,131.78/1,659,542.15 = 396,165.97/x
  3. Step 3: Cross multiply
    1,106,131.78x = 1,659,542.15 × 396,165.97
  4. Step 4: Simplify right side
    1,106,131.78x = 657,454,125,610.64
  5. Step 5: Solve for x
    x = 657,454,125,610.64/1,106,131.78
  6. Step 6: Final answer
    x = 594,372.33

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Double scale
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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.