Home / 1,117,221.12-1,541,496.40-658,354.48

Finding the Fourth Proportional to 1,117,221.12, 1,541,496.40 and 658,354.48

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Solution

The fourth proportional to 1,117,221.12, 1,541,496.40 and 658,354.48 is: 908,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,221.12 : 1,541,496.40 = 658,354.48 : x
  2. Step 2: Convert to fraction form
    1,117,221.12/1,541,496.40 = 658,354.48/x
  3. Step 3: Cross multiply
    1,117,221.12x = 1,541,496.40 × 658,354.48
  4. Step 4: Simplify right side
    1,117,221.12x = 1,014,851,060,843.87
  5. Step 5: Solve for x
    x = 1,014,851,060,843.87/1,117,221.12
  6. Step 6: Final answer
    x = 908,370.82

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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.