Home / 1,253,080.32-1,729,252.74-680,120.70

Finding the Fourth Proportional to 1,253,080.32, 1,729,252.74 and 680,120.70

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Solution

The fourth proportional to 1,253,080.32, 1,729,252.74 and 680,120.70 is: 938,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,080.32 : 1,729,252.74 = 680,120.70 : x
  2. Step 2: Convert to fraction form
    1,253,080.32/1,729,252.74 = 680,120.70/x
  3. Step 3: Cross multiply
    1,253,080.32x = 1,729,252.74 × 680,120.70
  4. Step 4: Simplify right side
    1,253,080.32x = 1,176,100,584,005.72
  5. Step 5: Solve for x
    x = 1,176,100,584,005.72/1,253,080.32
  6. Step 6: Final answer
    x = 938,567.60

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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.