Home / 1,253,065.48-1,729,232.04-680,105.50

Finding the Fourth Proportional to 1,253,065.48, 1,729,232.04 and 680,105.50

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Solution

The fourth proportional to 1,253,065.48, 1,729,232.04 and 680,105.50 is: 938,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,065.48 : 1,729,232.04 = 680,105.50 : x
  2. Step 2: Convert to fraction form
    1,253,065.48/1,729,232.04 = 680,105.50/x
  3. Step 3: Cross multiply
    1,253,065.48x = 1,729,232.04 × 680,105.50
  4. Step 4: Simplify right side
    1,253,065.48x = 1,176,060,212,534.06
  5. Step 5: Solve for x
    x = 1,176,060,212,534.06/1,253,065.48
  6. Step 6: Final answer
    x = 938,546.50

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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.