Home / 1,252,949.92-1,729,071.78-679,989.88

Finding the Fourth Proportional to 1,252,949.92, 1,729,071.78 and 679,989.88

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Solution

The fourth proportional to 1,252,949.92, 1,729,071.78 and 679,989.88 is: 938,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,949.92 : 1,729,071.78 = 679,989.88 : x
  2. Step 2: Convert to fraction form
    1,252,949.92/1,729,071.78 = 679,989.88/x
  3. Step 3: Cross multiply
    1,252,949.92x = 1,729,071.78 × 679,989.88
  4. Step 4: Simplify right side
    1,252,949.92x = 1,175,751,312,193.59
  5. Step 5: Solve for x
    x = 1,175,751,312,193.59/1,252,949.92
  6. Step 6: Final answer
    x = 938,386.52

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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.