Home / 1,253,632.14-1,729,986.30-680,672.79

Finding the Fourth Proportional to 1,253,632.14, 1,729,986.30 and 680,672.79

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Solution

The fourth proportional to 1,253,632.14, 1,729,986.30 and 680,672.79 is: 939,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,632.14 : 1,729,986.30 = 680,672.79 : x
  2. Step 2: Convert to fraction form
    1,253,632.14/1,729,986.30 = 680,672.79/x
  3. Step 3: Cross multiply
    1,253,632.14x = 1,729,986.30 × 680,672.79
  4. Step 4: Simplify right side
    1,253,632.14x = 1,177,554,601,482.78
  5. Step 5: Solve for x
    x = 1,177,554,601,482.78/1,253,632.14
  6. Step 6: Final answer
    x = 939,314.30

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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.