Home / 1,252,418.44-1,728,340.79-679,458.61

Finding the Fourth Proportional to 1,252,418.44, 1,728,340.79 and 679,458.61

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Solution

The fourth proportional to 1,252,418.44, 1,728,340.79 and 679,458.61 is: 937,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,418.44 : 1,728,340.79 = 679,458.61 : x
  2. Step 2: Convert to fraction form
    1,252,418.44/1,728,340.79 = 679,458.61/x
  3. Step 3: Cross multiply
    1,252,418.44x = 1,728,340.79 × 679,458.61
  4. Step 4: Simplify right side
    1,252,418.44x = 1,174,336,023,061.56
  5. Step 5: Solve for x
    x = 1,174,336,023,061.56/1,252,418.44
  6. Step 6: Final answer
    x = 937,654.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.