Home / 1,181,425.80-1,772,138.70-1,129,593.90

Finding the Fourth Proportional to 1,181,425.80, 1,772,138.70 and 1,129,593.90

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Solution

The fourth proportional to 1,181,425.80, 1,772,138.70 and 1,129,593.90 is: 1,694,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,425.80 : 1,772,138.70 = 1,129,593.90 : x
  2. Step 2: Convert to fraction form
    1,181,425.80/1,772,138.70 = 1,129,593.90/x
  3. Step 3: Cross multiply
    1,181,425.80x = 1,772,138.70 × 1,129,593.90
  4. Step 4: Simplify right side
    1,181,425.80x = 2,001,797,065,473.93
  5. Step 5: Solve for x
    x = 2,001,797,065,473.93/1,181,425.80
  6. Step 6: Final answer
    x = 1,694,390.85

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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.