Home / 1,252,759.77-1,728,812.87-679,799.89

Finding the Fourth Proportional to 1,252,759.77, 1,728,812.87 and 679,799.89

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Solution

The fourth proportional to 1,252,759.77, 1,728,812.87 and 679,799.89 is: 938,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,759.77 : 1,728,812.87 = 679,799.89 : x
  2. Step 2: Convert to fraction form
    1,252,759.77/1,728,812.87 = 679,799.89/x
  3. Step 3: Cross multiply
    1,252,759.77x = 1,728,812.87 × 679,799.89
  4. Step 4: Simplify right side
    1,252,759.77x = 1,175,246,800,167.85
  5. Step 5: Solve for x
    x = 1,175,246,800,167.85/1,252,759.77
  6. Step 6: Final answer
    x = 938,126.23

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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.