Home / 1,367,679.78-1,887,435.82-755,872.20

Finding the Fourth Proportional to 1,367,679.78, 1,887,435.82 and 755,872.20

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Solution

The fourth proportional to 1,367,679.78, 1,887,435.82 and 755,872.20 is: 1,043,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,679.78 : 1,887,435.82 = 755,872.20 : x
  2. Step 2: Convert to fraction form
    1,367,679.78/1,887,435.82 = 755,872.20/x
  3. Step 3: Cross multiply
    1,367,679.78x = 1,887,435.82 × 755,872.20
  4. Step 4: Simplify right side
    1,367,679.78x = 1,426,660,265,622.20
  5. Step 5: Solve for x
    x = 1,426,660,265,622.20/1,367,679.78
  6. Step 6: Final answer
    x = 1,043,124.48

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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.