Home / 1,063,778.94-1,468,556.73-821,517.66

Finding the Fourth Proportional to 1,063,778.94, 1,468,556.73 and 821,517.66

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Solution

The fourth proportional to 1,063,778.94, 1,468,556.73 and 821,517.66 is: 1,134,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,778.94 : 1,468,556.73 = 821,517.66 : x
  2. Step 2: Convert to fraction form
    1,063,778.94/1,468,556.73 = 821,517.66/x
  3. Step 3: Cross multiply
    1,063,778.94x = 1,468,556.73 × 821,517.66
  4. Step 4: Simplify right side
    1,063,778.94x = 1,206,445,288,406.85
  5. Step 5: Solve for x
    x = 1,206,445,288,406.85/1,063,778.94
  6. Step 6: Final answer
    x = 1,134,112.78

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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.