Home / 1,107,641.28-1,661,757.27-397,675.47

Finding the Fourth Proportional to 1,107,641.28, 1,661,757.27 and 397,675.47

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Solution

The fourth proportional to 1,107,641.28, 1,661,757.27 and 397,675.47 is: 596,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,641.28 : 1,661,757.27 = 397,675.47 : x
  2. Step 2: Convert to fraction form
    1,107,641.28/1,661,757.27 = 397,675.47/x
  3. Step 3: Cross multiply
    1,107,641.28x = 1,661,757.27 × 397,675.47
  4. Step 4: Simplify right side
    1,107,641.28x = 660,840,103,373.17
  5. Step 5: Solve for x
    x = 660,840,103,373.17/1,107,641.28
  6. Step 6: Final answer
    x = 596,619.24

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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.