Home / 1,198,481.30-1,797,728.64-399,760.64

Finding the Fourth Proportional to 1,198,481.30, 1,797,728.64 and 399,760.64

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Solution

The fourth proportional to 1,198,481.30, 1,797,728.64 and 399,760.64 is: 599,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,481.30 : 1,797,728.64 = 399,760.64 : x
  2. Step 2: Convert to fraction form
    1,198,481.30/1,797,728.64 = 399,760.64/x
  3. Step 3: Cross multiply
    1,198,481.30x = 1,797,728.64 × 399,760.64
  4. Step 4: Simplify right side
    1,198,481.30x = 718,661,151,672.73
  5. Step 5: Solve for x
    x = 718,661,151,672.73/1,198,481.30
  6. Step 6: Final answer
    x = 599,643.19

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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.