Home / 1,131,263.88-1,561,104.24-621,962.34

Finding the Fourth Proportional to 1,131,263.88, 1,561,104.24 and 621,962.34

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Solution

The fourth proportional to 1,131,263.88, 1,561,104.24 and 621,962.34 is: 858,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,263.88 : 1,561,104.24 = 621,962.34 : x
  2. Step 2: Convert to fraction form
    1,131,263.88/1,561,104.24 = 621,962.34/x
  3. Step 3: Cross multiply
    1,131,263.88x = 1,561,104.24 × 621,962.34
  4. Step 4: Simplify right side
    1,131,263.88x = 970,948,046,094.32
  5. Step 5: Solve for x
    x = 970,948,046,094.32/1,131,263.88
  6. Step 6: Final answer
    x = 858,286.08

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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.