Home / 1,131,361.44-1,561,266.12-842,265.60

Finding the Fourth Proportional to 1,131,361.44, 1,561,266.12 and 842,265.60

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Solution

The fourth proportional to 1,131,361.44, 1,561,266.12 and 842,265.60 is: 1,162,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,361.44 : 1,561,266.12 = 842,265.60 : x
  2. Step 2: Convert to fraction form
    1,131,361.44/1,561,266.12 = 842,265.60/x
  3. Step 3: Cross multiply
    1,131,361.44x = 1,561,266.12 × 842,265.60
  4. Step 4: Simplify right side
    1,131,361.44x = 1,315,000,745,321.47
  5. Step 5: Solve for x
    x = 1,315,000,745,321.47/1,131,361.44
  6. Step 6: Final answer
    x = 1,162,317.10

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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.