Home / 1,237,542.82-1,856,046.93-438,850.42

Finding the Fourth Proportional to 1,237,542.82, 1,856,046.93 and 438,850.42

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Solution

The fourth proportional to 1,237,542.82, 1,856,046.93 and 438,850.42 is: 658,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,542.82 : 1,856,046.93 = 438,850.42 : x
  2. Step 2: Convert to fraction form
    1,237,542.82/1,856,046.93 = 438,850.42/x
  3. Step 3: Cross multiply
    1,237,542.82x = 1,856,046.93 × 438,850.42
  4. Step 4: Simplify right side
    1,237,542.82x = 814,526,974,770.21
  5. Step 5: Solve for x
    x = 814,526,974,770.21/1,237,542.82
  6. Step 6: Final answer
    x = 658,180.84

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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.