Home / 1,204,781.28-1,807,178.22-406,069.80

Finding the Fourth Proportional to 1,204,781.28, 1,807,178.22 and 406,069.80

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Solution

The fourth proportional to 1,204,781.28, 1,807,178.22 and 406,069.80 is: 609,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,781.28 : 1,807,178.22 = 406,069.80 : x
  2. Step 2: Convert to fraction form
    1,204,781.28/1,807,178.22 = 406,069.80/x
  3. Step 3: Cross multiply
    1,204,781.28x = 1,807,178.22 × 406,069.80
  4. Step 4: Simplify right side
    1,204,781.28x = 733,840,498,359.76
  5. Step 5: Solve for x
    x = 733,840,498,359.76/1,204,781.28
  6. Step 6: Final answer
    x = 609,106.82

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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.