Home / 1,427,422.25-1,969,845.02-782,846.37

Finding the Fourth Proportional to 1,427,422.25, 1,969,845.02 and 782,846.37

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Solution

The fourth proportional to 1,427,422.25, 1,969,845.02 and 782,846.37 is: 1,080,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,422.25 : 1,969,845.02 = 782,846.37 : x
  2. Step 2: Convert to fraction form
    1,427,422.25/1,969,845.02 = 782,846.37/x
  3. Step 3: Cross multiply
    1,427,422.25x = 1,969,845.02 × 782,846.37
  4. Step 4: Simplify right side
    1,427,422.25x = 1,542,086,026,794.53
  5. Step 5: Solve for x
    x = 1,542,086,026,794.53/1,427,422.25
  6. Step 6: Final answer
    x = 1,080,329.26

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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.