Home / 1,340,891.91-2,011,614.98-442,388.61

Finding the Fourth Proportional to 1,340,891.91, 2,011,614.98 and 442,388.61

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Solution

The fourth proportional to 1,340,891.91, 2,011,614.98 and 442,388.61 is: 663,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,891.91 : 2,011,614.98 = 442,388.61 : x
  2. Step 2: Convert to fraction form
    1,340,891.91/2,011,614.98 = 442,388.61/x
  3. Step 3: Cross multiply
    1,340,891.91x = 2,011,614.98 × 442,388.61
  4. Step 4: Simplify right side
    1,340,891.91x = 889,915,552,645.44
  5. Step 5: Solve for x
    x = 889,915,552,645.44/1,340,891.91
  6. Step 6: Final answer
    x = 663,674.34

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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.