Home / 1,204,683.48-1,662,184.32-721,064.88

Finding the Fourth Proportional to 1,204,683.48, 1,662,184.32 and 721,064.88

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Solution

The fourth proportional to 1,204,683.48, 1,662,184.32 and 721,064.88 is: 994,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,683.48 : 1,662,184.32 = 721,064.88 : x
  2. Step 2: Convert to fraction form
    1,204,683.48/1,662,184.32 = 721,064.88/x
  3. Step 3: Cross multiply
    1,204,683.48x = 1,662,184.32 × 721,064.88
  4. Step 4: Simplify right side
    1,204,683.48x = 1,198,542,737,238.68
  5. Step 5: Solve for x
    x = 1,198,542,737,238.68/1,204,683.48
  6. Step 6: Final answer
    x = 994,902.61

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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.