Home / 1,220,745.16-1,684,801.92-677,001.88

Finding the Fourth Proportional to 1,220,745.16, 1,684,801.92 and 677,001.88

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Solution

The fourth proportional to 1,220,745.16, 1,684,801.92 and 677,001.88 is: 934,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,745.16 : 1,684,801.92 = 677,001.88 : x
  2. Step 2: Convert to fraction form
    1,220,745.16/1,684,801.92 = 677,001.88/x
  3. Step 3: Cross multiply
    1,220,745.16x = 1,684,801.92 × 677,001.88
  4. Step 4: Simplify right side
    1,220,745.16x = 1,140,614,067,267.61
  5. Step 5: Solve for x
    x = 1,140,614,067,267.61/1,220,745.16
  6. Step 6: Final answer
    x = 934,358.87

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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.