Home / 842,781.17-1,266,912.11-676,124.48

Finding the Fourth Proportional to 842,781.17, 1,266,912.11 and 676,124.48

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Solution

The fourth proportional to 842,781.17, 1,266,912.11 and 676,124.48 is: 1,016,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,781.17 : 1,266,912.11 = 676,124.48 : x
  2. Step 2: Convert to fraction form
    842,781.17/1,266,912.11 = 676,124.48/x
  3. Step 3: Cross multiply
    842,781.17x = 1,266,912.11 × 676,124.48
  4. Step 4: Simplify right side
    842,781.17x = 856,590,296,437.04
  5. Step 5: Solve for x
    x = 856,590,296,437.04/842,781.17
  6. Step 6: Final answer
    x = 1,016,385.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.