Home / 802,121.20-1,203,137.52-269,587.24

Finding the Fourth Proportional to 802,121.20, 1,203,137.52 and 269,587.24

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Solution

The fourth proportional to 802,121.20, 1,203,137.52 and 269,587.24 is: 404,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,121.20 : 1,203,137.52 = 269,587.24 : x
  2. Step 2: Convert to fraction form
    802,121.20/1,203,137.52 = 269,587.24/x
  3. Step 3: Cross multiply
    802,121.20x = 1,203,137.52 × 269,587.24
  4. Step 4: Simplify right side
    802,121.20x = 324,350,523,357.25
  5. Step 5: Solve for x
    x = 324,350,523,357.25/802,121.20
  6. Step 6: Final answer
    x = 404,365.98

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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.