Home / 1,252,726.16-1,728,766.76-679,766.39

Finding the Fourth Proportional to 1,252,726.16, 1,728,766.76 and 679,766.39

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Solution

The fourth proportional to 1,252,726.16, 1,728,766.76 and 679,766.39 is: 938,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,726.16 : 1,728,766.76 = 679,766.39 : x
  2. Step 2: Convert to fraction form
    1,252,726.16/1,728,766.76 = 679,766.39/x
  3. Step 3: Cross multiply
    1,252,726.16x = 1,728,766.76 × 679,766.39
  4. Step 4: Simplify right side
    1,252,726.16x = 1,175,157,527,554.53
  5. Step 5: Solve for x
    x = 1,175,157,527,554.53/1,252,726.16
  6. Step 6: Final answer
    x = 938,080.13

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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.