Home / 1,215,517.96-1,677,414.22-671,649

Finding the Fourth Proportional to 1,215,517.96, 1,677,414.22 and 671,649

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Solution

The fourth proportional to 1,215,517.96, 1,677,414.22 and 671,649 is: 926,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,517.96 : 1,677,414.22 = 671,649 : x
  2. Step 2: Convert to fraction form
    1,215,517.96/1,677,414.22 = 671,649/x
  3. Step 3: Cross multiply
    1,215,517.96x = 1,677,414.22 × 671,649
  4. Step 4: Simplify right side
    1,215,517.96x = 1,126,633,583,448.78
  5. Step 5: Solve for x
    x = 1,126,633,583,448.78/1,215,517.96
  6. Step 6: Final answer
    x = 926,875.31

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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.