Home / 1,131,466.68-1,561,293.18-648,003.06

Finding the Fourth Proportional to 1,131,466.68, 1,561,293.18 and 648,003.06

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Solution

The fourth proportional to 1,131,466.68, 1,561,293.18 and 648,003.06 is: 894,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,466.68 : 1,561,293.18 = 648,003.06 : x
  2. Step 2: Convert to fraction form
    1,131,466.68/1,561,293.18 = 648,003.06/x
  3. Step 3: Cross multiply
    1,131,466.68x = 1,561,293.18 × 648,003.06
  4. Step 4: Simplify right side
    1,131,466.68x = 1,011,722,758,197.13
  5. Step 5: Solve for x
    x = 1,011,722,758,197.13/1,131,466.68
  6. Step 6: Final answer
    x = 894,169.29

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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.