Home / 1,126,765.26-1,690,209.44-285,324.30

Finding the Fourth Proportional to 1,126,765.26, 1,690,209.44 and 285,324.30

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Solution

The fourth proportional to 1,126,765.26, 1,690,209.44 and 285,324.30 is: 428,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,765.26 : 1,690,209.44 = 285,324.30 : x
  2. Step 2: Convert to fraction form
    1,126,765.26/1,690,209.44 = 285,324.30/x
  3. Step 3: Cross multiply
    1,126,765.26x = 1,690,209.44 × 285,324.30
  4. Step 4: Simplify right side
    1,126,765.26x = 482,257,825,321.39
  5. Step 5: Solve for x
    x = 482,257,825,321.39/1,126,765.26
  6. Step 6: Final answer
    x = 428,002.04

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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.