Home / 1,427,577.26-1,970,059.46-783,002.75

Finding the Fourth Proportional to 1,427,577.26, 1,970,059.46 and 783,002.75

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Solution

The fourth proportional to 1,427,577.26, 1,970,059.46 and 783,002.75 is: 1,080,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,577.26 : 1,970,059.46 = 783,002.75 : x
  2. Step 2: Convert to fraction form
    1,427,577.26/1,970,059.46 = 783,002.75/x
  3. Step 3: Cross multiply
    1,427,577.26x = 1,970,059.46 × 783,002.75
  4. Step 4: Simplify right side
    1,427,577.26x = 1,542,561,974,843.52
  5. Step 5: Solve for x
    x = 1,542,561,974,843.52/1,427,577.26
  6. Step 6: Final answer
    x = 1,080,545.35

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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.