Home / 1,086,121.80-1,629,174.60-327,961.80

Finding the Fourth Proportional to 1,086,121.80, 1,629,174.60 and 327,961.80

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Solution

The fourth proportional to 1,086,121.80, 1,629,174.60 and 327,961.80 is: 491,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,121.80 : 1,629,174.60 = 327,961.80 : x
  2. Step 2: Convert to fraction form
    1,086,121.80/1,629,174.60 = 327,961.80/x
  3. Step 3: Cross multiply
    1,086,121.80x = 1,629,174.60 × 327,961.80
  4. Step 4: Simplify right side
    1,086,121.80x = 534,307,034,330.28
  5. Step 5: Solve for x
    x = 534,307,034,330.28/1,086,121.80
  6. Step 6: Final answer
    x = 491,940.25

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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.