Home / 1,253,077.45-1,729,200.62-680,105.32

Finding the Fourth Proportional to 1,253,077.45, 1,729,200.62 and 680,105.32

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Solution

The fourth proportional to 1,253,077.45, 1,729,200.62 and 680,105.32 is: 938,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,077.45 : 1,729,200.62 = 680,105.32 : x
  2. Step 2: Convert to fraction form
    1,253,077.45/1,729,200.62 = 680,105.32/x
  3. Step 3: Cross multiply
    1,253,077.45x = 1,729,200.62 × 680,105.32
  4. Step 4: Simplify right side
    1,253,077.45x = 1,176,038,541,009.30
  5. Step 5: Solve for x
    x = 1,176,038,541,009.30/1,253,077.45
  6. Step 6: Final answer
    x = 938,520.23

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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.