Home / 1,126,892.88-1,690,400.88-285,451.92

Finding the Fourth Proportional to 1,126,892.88, 1,690,400.88 and 285,451.92

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Solution

The fourth proportional to 1,126,892.88, 1,690,400.88 and 285,451.92 is: 428,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,892.88 : 1,690,400.88 = 285,451.92 : x
  2. Step 2: Convert to fraction form
    1,126,892.88/1,690,400.88 = 285,451.92/x
  3. Step 3: Cross multiply
    1,126,892.88x = 1,690,400.88 × 285,451.92
  4. Step 4: Simplify right side
    1,126,892.88x = 482,528,176,765.69
  5. Step 5: Solve for x
    x = 482,528,176,765.69/1,126,892.88
  6. Step 6: Final answer
    x = 428,193.47

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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.