Home / 1,143,917.22-1,578,745.76-660,481.55

Finding the Fourth Proportional to 1,143,917.22, 1,578,745.76 and 660,481.55

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Solution

The fourth proportional to 1,143,917.22, 1,578,745.76 and 660,481.55 is: 911,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,917.22 : 1,578,745.76 = 660,481.55 : x
  2. Step 2: Convert to fraction form
    1,143,917.22/1,578,745.76 = 660,481.55/x
  3. Step 3: Cross multiply
    1,143,917.22x = 1,578,745.76 × 660,481.55
  4. Step 4: Simplify right side
    1,143,917.22x = 1,042,732,452,218.80
  5. Step 5: Solve for x
    x = 1,042,732,452,218.80/1,143,917.22
  6. Step 6: Final answer
    x = 911,545.38

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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.