Home / 1,252,956.38-1,729,079.81-679,996.55

Finding the Fourth Proportional to 1,252,956.38, 1,729,079.81 and 679,996.55

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Solution

The fourth proportional to 1,252,956.38, 1,729,079.81 and 679,996.55 is: 938,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,956.38 : 1,729,079.81 = 679,996.55 : x
  2. Step 2: Convert to fraction form
    1,252,956.38/1,729,079.81 = 679,996.55/x
  3. Step 3: Cross multiply
    1,252,956.38x = 1,729,079.81 × 679,996.55
  4. Step 4: Simplify right side
    1,252,956.38x = 1,175,768,310,682.12
  5. Step 5: Solve for x
    x = 1,175,768,310,682.12/1,252,956.38
  6. Step 6: Final answer
    x = 938,395.24

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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.