Home / 1,242,243.24-1,862,906.46-443,311.08

Finding the Fourth Proportional to 1,242,243.24, 1,862,906.46 and 443,311.08

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Solution

The fourth proportional to 1,242,243.24, 1,862,906.46 and 443,311.08 is: 664,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,243.24 : 1,862,906.46 = 443,311.08 : x
  2. Step 2: Convert to fraction form
    1,242,243.24/1,862,906.46 = 443,311.08/x
  3. Step 3: Cross multiply
    1,242,243.24x = 1,862,906.46 × 443,311.08
  4. Step 4: Simplify right side
    1,242,243.24x = 825,847,074,721.58
  5. Step 5: Solve for x
    x = 825,847,074,721.58/1,242,243.24
  6. Step 6: Final answer
    x = 664,803.03

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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.