Home / 1,340,990.40-2,011,057.92-442,264.62

Finding the Fourth Proportional to 1,340,990.40, 2,011,057.92 and 442,264.62

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Solution

The fourth proportional to 1,340,990.40, 2,011,057.92 and 442,264.62 is: 663,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,990.40 : 2,011,057.92 = 442,264.62 : x
  2. Step 2: Convert to fraction form
    1,340,990.40/2,011,057.92 = 442,264.62/x
  3. Step 3: Cross multiply
    1,340,990.40x = 2,011,057.92 × 442,264.62
  4. Step 4: Simplify right side
    1,340,990.40x = 889,419,766,786.79
  5. Step 5: Solve for x
    x = 889,419,766,786.79/1,340,990.40
  6. Step 6: Final answer
    x = 663,255.88

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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.