Home / 1,201,872.22-1,658,583.96-658,042.54

Finding the Fourth Proportional to 1,201,872.22, 1,658,583.96 and 658,042.54

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Solution

The fourth proportional to 1,201,872.22, 1,658,583.96 and 658,042.54 is: 908,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,872.22 : 1,658,583.96 = 658,042.54 : x
  2. Step 2: Convert to fraction form
    1,201,872.22/1,658,583.96 = 658,042.54/x
  3. Step 3: Cross multiply
    1,201,872.22x = 1,658,583.96 × 658,042.54
  4. Step 4: Simplify right side
    1,201,872.22x = 1,091,418,801,841.66
  5. Step 5: Solve for x
    x = 1,091,418,801,841.66/1,201,872.22
  6. Step 6: Final answer
    x = 908,098.87

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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.