Home / 1,261,093.88-1,740,351.56-688,165.48

Finding the Fourth Proportional to 1,261,093.88, 1,740,351.56 and 688,165.48

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Solution

The fourth proportional to 1,261,093.88, 1,740,351.56 and 688,165.48 is: 949,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,093.88 : 1,740,351.56 = 688,165.48 : x
  2. Step 2: Convert to fraction form
    1,261,093.88/1,740,351.56 = 688,165.48/x
  3. Step 3: Cross multiply
    1,261,093.88x = 1,740,351.56 × 688,165.48
  4. Step 4: Simplify right side
    1,261,093.88x = 1,197,649,866,656.15
  5. Step 5: Solve for x
    x = 1,197,649,866,656.15/1,261,093.88
  6. Step 6: Final answer
    x = 949,691.28

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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.