Home / 1,252,837.74-1,728,917.21-679,877.91

Finding the Fourth Proportional to 1,252,837.74, 1,728,917.21 and 679,877.91

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Solution

The fourth proportional to 1,252,837.74, 1,728,917.21 and 679,877.91 is: 938,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,837.74 : 1,728,917.21 = 679,877.91 : x
  2. Step 2: Convert to fraction form
    1,252,837.74/1,728,917.21 = 679,877.91/x
  3. Step 3: Cross multiply
    1,252,837.74x = 1,728,917.21 × 679,877.91
  4. Step 4: Simplify right side
    1,252,837.74x = 1,175,452,615,898.44
  5. Step 5: Solve for x
    x = 1,175,452,615,898.44/1,252,837.74
  6. Step 6: Final answer
    x = 938,232.13

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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.