Home / 1,252,304.25-1,728,183.20-679,344.43

Finding the Fourth Proportional to 1,252,304.25, 1,728,183.20 and 679,344.43

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Solution

The fourth proportional to 1,252,304.25, 1,728,183.20 and 679,344.43 is: 937,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,304.25 : 1,728,183.20 = 679,344.43 : x
  2. Step 2: Convert to fraction form
    1,252,304.25/1,728,183.20 = 679,344.43/x
  3. Step 3: Cross multiply
    1,252,304.25x = 1,728,183.20 × 679,344.43
  4. Step 4: Simplify right side
    1,252,304.25x = 1,174,031,625,769.94
  5. Step 5: Solve for x
    x = 1,174,031,625,769.94/1,252,304.25
  6. Step 6: Final answer
    x = 937,497.12

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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.