Home / 1,635,414.40-2,452,246.80-687,714.40

Finding the Fourth Proportional to 1,635,414.40, 2,452,246.80 and 687,714.40

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Solution

The fourth proportional to 1,635,414.40, 2,452,246.80 and 687,714.40 is: 1,031,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,414.40 : 2,452,246.80 = 687,714.40 : x
  2. Step 2: Convert to fraction form
    1,635,414.40/2,452,246.80 = 687,714.40/x
  3. Step 3: Cross multiply
    1,635,414.40x = 2,452,246.80 × 687,714.40
  4. Step 4: Simplify right side
    1,635,414.40x = 1,686,445,436,713.92
  5. Step 5: Solve for x
    x = 1,686,445,436,713.92/1,635,414.40
  6. Step 6: Final answer
    x = 1,031,203.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.