Home / 1,253,072.94-1,729,242.37-680,113.16

Finding the Fourth Proportional to 1,253,072.94, 1,729,242.37 and 680,113.16

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Solution

The fourth proportional to 1,253,072.94, 1,729,242.37 and 680,113.16 is: 938,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,072.94 : 1,729,242.37 = 680,113.16 : x
  2. Step 2: Convert to fraction form
    1,253,072.94/1,729,242.37 = 680,113.16/x
  3. Step 3: Cross multiply
    1,253,072.94x = 1,729,242.37 × 680,113.16
  4. Step 4: Simplify right side
    1,253,072.94x = 1,176,080,491,355.18
  5. Step 5: Solve for x
    x = 1,176,080,491,355.18/1,253,072.94
  6. Step 6: Final answer
    x = 938,557.09

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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.