Home / 1,236,843.44-1,854,638.24-438,012.54

Finding the Fourth Proportional to 1,236,843.44, 1,854,638.24 and 438,012.54

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Solution

The fourth proportional to 1,236,843.44, 1,854,638.24 and 438,012.54 is: 656,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,843.44 : 1,854,638.24 = 438,012.54 : x
  2. Step 2: Convert to fraction form
    1,236,843.44/1,854,638.24 = 438,012.54/x
  3. Step 3: Cross multiply
    1,236,843.44x = 1,854,638.24 × 438,012.54
  4. Step 4: Simplify right side
    1,236,843.44x = 812,354,806,283.53
  5. Step 5: Solve for x
    x = 812,354,806,283.53/1,236,843.44
  6. Step 6: Final answer
    x = 656,796.79

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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.