Home / 1,261,691.95-1,741,112.42-717,816.03

Finding the Fourth Proportional to 1,261,691.95, 1,741,112.42 and 717,816.03

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Solution

The fourth proportional to 1,261,691.95, 1,741,112.42 and 717,816.03 is: 990,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,691.95 : 1,741,112.42 = 717,816.03 : x
  2. Step 2: Convert to fraction form
    1,261,691.95/1,741,112.42 = 717,816.03/x
  3. Step 3: Cross multiply
    1,261,691.95x = 1,741,112.42 × 717,816.03
  4. Step 4: Simplify right side
    1,261,691.95x = 1,249,798,405,108.09
  5. Step 5: Solve for x
    x = 1,249,798,405,108.09/1,261,691.95
  6. Step 6: Final answer
    x = 990,573.34

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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.