Home / 1,131,687.52-1,561,761.48-622,422.70

Finding the Fourth Proportional to 1,131,687.52, 1,561,761.48 and 622,422.70

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Solution

The fourth proportional to 1,131,687.52, 1,561,761.48 and 622,422.70 is: 858,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,687.52 : 1,561,761.48 = 622,422.70 : x
  2. Step 2: Convert to fraction form
    1,131,687.52/1,561,761.48 = 622,422.70/x
  3. Step 3: Cross multiply
    1,131,687.52x = 1,561,761.48 × 622,422.70
  4. Step 4: Simplify right side
    1,131,687.52x = 972,075,797,137.60
  5. Step 5: Solve for x
    x = 972,075,797,137.60/1,131,687.52
  6. Step 6: Final answer
    x = 858,961.31

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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.