Home / 1,340,439.40-2,010,659.10-1,331,108.20

Finding the Fourth Proportional to 1,340,439.40, 2,010,659.10 and 1,331,108.20

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Solution

The fourth proportional to 1,340,439.40, 2,010,659.10 and 1,331,108.20 is: 1,996,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,439.40 : 2,010,659.10 = 1,331,108.20 : x
  2. Step 2: Convert to fraction form
    1,340,439.40/2,010,659.10 = 1,331,108.20/x
  3. Step 3: Cross multiply
    1,340,439.40x = 2,010,659.10 × 1,331,108.20
  4. Step 4: Simplify right side
    1,340,439.40x = 2,676,404,815,414.62
  5. Step 5: Solve for x
    x = 2,676,404,815,414.62/1,340,439.40
  6. Step 6: Final answer
    x = 1,996,662.30

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Similar ratio
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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.