Home / 1,127,041.50-1,690,660.65-285,593.28

Finding the Fourth Proportional to 1,127,041.50, 1,690,660.65 and 285,593.28

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Solution

The fourth proportional to 1,127,041.50, 1,690,660.65 and 285,593.28 is: 428,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,041.50 : 1,690,660.65 = 285,593.28 : x
  2. Step 2: Convert to fraction form
    1,127,041.50/1,690,660.65 = 285,593.28/x
  3. Step 3: Cross multiply
    1,127,041.50x = 1,690,660.65 × 285,593.28
  4. Step 4: Simplify right side
    1,127,041.50x = 482,841,320,400.43
  5. Step 5: Solve for x
    x = 482,841,320,400.43/1,127,041.50
  6. Step 6: Final answer
    x = 428,414.85

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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.