Home / 1,149,397.66-1,721,439.27-1,109,539.58

Finding the Fourth Proportional to 1,149,397.66, 1,721,439.27 and 1,109,539.58

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Solution

The fourth proportional to 1,149,397.66, 1,721,439.27 and 1,109,539.58 is: 1,661,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,397.66 : 1,721,439.27 = 1,109,539.58 : x
  2. Step 2: Convert to fraction form
    1,149,397.66/1,721,439.27 = 1,109,539.58/x
  3. Step 3: Cross multiply
    1,149,397.66x = 1,721,439.27 × 1,109,539.58
  4. Step 4: Simplify right side
    1,149,397.66x = 1,910,005,008,934.90
  5. Step 5: Solve for x
    x = 1,910,005,008,934.90/1,149,397.66
  6. Step 6: Final answer
    x = 1,661,744.30

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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.