Home / 1,253,076.45-1,729,199.24-680,104.32

Finding the Fourth Proportional to 1,253,076.45, 1,729,199.24 and 680,104.32

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Solution

The fourth proportional to 1,253,076.45, 1,729,199.24 and 680,104.32 is: 938,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,076.45 : 1,729,199.24 = 680,104.32 : x
  2. Step 2: Convert to fraction form
    1,253,076.45/1,729,199.24 = 680,104.32/x
  3. Step 3: Cross multiply
    1,253,076.45x = 1,729,199.24 × 680,104.32
  4. Step 4: Simplify right side
    1,253,076.45x = 1,176,035,873,264.72
  5. Step 5: Solve for x
    x = 1,176,035,873,264.72/1,253,076.45
  6. Step 6: Final answer
    x = 938,518.85

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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.