Home / 1,876,754.25-2,815,132.19-678,650.04

Finding the Fourth Proportional to 1,876,754.25, 2,815,132.19 and 678,650.04

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Solution

The fourth proportional to 1,876,754.25, 2,815,132.19 and 678,650.04 is: 1,017,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,754.25 : 2,815,132.19 = 678,650.04 : x
  2. Step 2: Convert to fraction form
    1,876,754.25/2,815,132.19 = 678,650.04/x
  3. Step 3: Cross multiply
    1,876,754.25x = 2,815,132.19 × 678,650.04
  4. Step 4: Simplify right side
    1,876,754.25x = 1,910,489,569,955.54
  5. Step 5: Solve for x
    x = 1,910,489,569,955.54/1,876,754.25
  6. Step 6: Final answer
    x = 1,017,975.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.