Home / 1,253,667.30-1,730,012.34-680,694.36

Finding the Fourth Proportional to 1,253,667.30, 1,730,012.34 and 680,694.36

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Solution

The fourth proportional to 1,253,667.30, 1,730,012.34 and 680,694.36 is: 939,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,667.30 : 1,730,012.34 = 680,694.36 : x
  2. Step 2: Convert to fraction form
    1,253,667.30/1,730,012.34 = 680,694.36/x
  3. Step 3: Cross multiply
    1,253,667.30x = 1,730,012.34 × 680,694.36
  4. Step 4: Simplify right side
    1,253,667.30x = 1,177,609,642,568.40
  5. Step 5: Solve for x
    x = 1,177,609,642,568.40/1,253,667.30
  6. Step 6: Final answer
    x = 939,331.86

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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.