Home / 1,375,020.22-2,062,586.26-654,991.78

Finding the Fourth Proportional to 1,375,020.22, 2,062,586.26 and 654,991.78

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Solution

The fourth proportional to 1,375,020.22, 2,062,586.26 and 654,991.78 is: 982,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,020.22 : 2,062,586.26 = 654,991.78 : x
  2. Step 2: Convert to fraction form
    1,375,020.22/2,062,586.26 = 654,991.78/x
  3. Step 3: Cross multiply
    1,375,020.22x = 2,062,586.26 × 654,991.78
  4. Step 4: Simplify right side
    1,375,020.22x = 1,350,977,045,840.94
  5. Step 5: Solve for x
    x = 1,350,977,045,840.94/1,375,020.22
  6. Step 6: Final answer
    x = 982,514.31

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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.