Home / 1,129,505.94-1,694,489.31-381,535.38

Finding the Fourth Proportional to 1,129,505.94, 1,694,489.31 and 381,535.38

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Solution

The fourth proportional to 1,129,505.94, 1,694,489.31 and 381,535.38 is: 572,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,505.94 : 1,694,489.31 = 381,535.38 : x
  2. Step 2: Convert to fraction form
    1,129,505.94/1,694,489.31 = 381,535.38/x
  3. Step 3: Cross multiply
    1,129,505.94x = 1,694,489.31 × 381,535.38
  4. Step 4: Simplify right side
    1,129,505.94x = 646,507,622,796.79
  5. Step 5: Solve for x
    x = 646,507,622,796.79/1,129,505.94
  6. Step 6: Final answer
    x = 572,380.90

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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.