Home / 1,253,441.32-1,729,749.06-680,480.68

Finding the Fourth Proportional to 1,253,441.32, 1,729,749.06 and 680,480.68

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Solution

The fourth proportional to 1,253,441.32, 1,729,749.06 and 680,480.68 is: 939,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,441.32 : 1,729,749.06 = 680,480.68 : x
  2. Step 2: Convert to fraction form
    1,253,441.32/1,729,749.06 = 680,480.68/x
  3. Step 3: Cross multiply
    1,253,441.32x = 1,729,749.06 × 680,480.68
  4. Step 4: Simplify right side
    1,253,441.32x = 1,177,060,816,578.16
  5. Step 5: Solve for x
    x = 1,177,060,816,578.16/1,253,441.32
  6. Step 6: Final answer
    x = 939,063.36

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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.