Home / 992,469.26-1,489,367.50-423,983.21

Finding the Fourth Proportional to 992,469.26, 1,489,367.50 and 423,983.21

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Solution

The fourth proportional to 992,469.26, 1,489,367.50 and 423,983.21 is: 636,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,469.26 : 1,489,367.50 = 423,983.21 : x
  2. Step 2: Convert to fraction form
    992,469.26/1,489,367.50 = 423,983.21/x
  3. Step 3: Cross multiply
    992,469.26x = 1,489,367.50 × 423,983.21
  4. Step 4: Simplify right side
    992,469.26x = 631,466,815,775.48
  5. Step 5: Solve for x
    x = 631,466,815,775.48/992,469.26
  6. Step 6: Final answer
    x = 636,258.31

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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.