Home / 1,108,691.40-1,664,009.10-658,849.80

Finding the Fourth Proportional to 1,108,691.40, 1,664,009.10 and 658,849.80

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Solution

The fourth proportional to 1,108,691.40, 1,664,009.10 and 658,849.80 is: 988,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,691.40 : 1,664,009.10 = 658,849.80 : x
  2. Step 2: Convert to fraction form
    1,108,691.40/1,664,009.10 = 658,849.80/x
  3. Step 3: Cross multiply
    1,108,691.40x = 1,664,009.10 × 658,849.80
  4. Step 4: Simplify right side
    1,108,691.40x = 1,096,332,062,733.18
  5. Step 5: Solve for x
    x = 1,096,332,062,733.18/1,108,691.40
  6. Step 6: Final answer
    x = 988,852.32

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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.