Home / 1,488,099.80-2,231,744.13-408,356.34

Finding the Fourth Proportional to 1,488,099.80, 2,231,744.13 and 408,356.34

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Solution

The fourth proportional to 1,488,099.80, 2,231,744.13 and 408,356.34 is: 612,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,099.80 : 2,231,744.13 = 408,356.34 : x
  2. Step 2: Convert to fraction form
    1,488,099.80/2,231,744.13 = 408,356.34/x
  3. Step 3: Cross multiply
    1,488,099.80x = 2,231,744.13 × 408,356.34
  4. Step 4: Simplify right side
    1,488,099.80x = 911,346,864,743.28
  5. Step 5: Solve for x
    x = 911,346,864,743.28/1,488,099.80
  6. Step 6: Final answer
    x = 612,423.22

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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.