Home / 1,324,684-1,987,212.88-425,824.48

Finding the Fourth Proportional to 1,324,684, 1,987,212.88 and 425,824.48

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Solution

The fourth proportional to 1,324,684, 1,987,212.88 and 425,824.48 is: 638,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,684 : 1,987,212.88 = 425,824.48 : x
  2. Step 2: Convert to fraction form
    1,324,684/1,987,212.88 = 425,824.48/x
  3. Step 3: Cross multiply
    1,324,684x = 1,987,212.88 × 425,824.48
  4. Step 4: Simplify right side
    1,324,684x = 846,203,891,275.30
  5. Step 5: Solve for x
    x = 846,203,891,275.30/1,324,684
  6. Step 6: Final answer
    x = 638,796.79

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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.