Home / 1,129,045.83-1,691,169.66-764,528.97

Finding the Fourth Proportional to 1,129,045.83, 1,691,169.66 and 764,528.97

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Solution

The fourth proportional to 1,129,045.83, 1,691,169.66 and 764,528.97 is: 1,145,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,045.83 : 1,691,169.66 = 764,528.97 : x
  2. Step 2: Convert to fraction form
    1,129,045.83/1,691,169.66 = 764,528.97/x
  3. Step 3: Cross multiply
    1,129,045.83x = 1,691,169.66 × 764,528.97
  4. Step 4: Simplify right side
    1,129,045.83x = 1,292,948,198,255.05
  5. Step 5: Solve for x
    x = 1,292,948,198,255.05/1,129,045.83
  6. Step 6: Final answer
    x = 1,145,168.92

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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.