Home / 1,338,250.20-2,006,711.10-485,287.80

Finding the Fourth Proportional to 1,338,250.20, 2,006,711.10 and 485,287.80

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Solution

The fourth proportional to 1,338,250.20, 2,006,711.10 and 485,287.80 is: 727,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,250.20 : 2,006,711.10 = 485,287.80 : x
  2. Step 2: Convert to fraction form
    1,338,250.20/2,006,711.10 = 485,287.80/x
  3. Step 3: Cross multiply
    1,338,250.20x = 2,006,711.10 × 485,287.80
  4. Step 4: Simplify right side
    1,338,250.20x = 973,832,414,954.58
  5. Step 5: Solve for x
    x = 973,832,414,954.58/1,338,250.20
  6. Step 6: Final answer
    x = 727,690.84

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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.