Home / 1,427,445.44-1,969,899.92-782,860

Finding the Fourth Proportional to 1,427,445.44, 1,969,899.92 and 782,860

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Solution

The fourth proportional to 1,427,445.44, 1,969,899.92 and 782,860 is: 1,080,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,445.44 : 1,969,899.92 = 782,860 : x
  2. Step 2: Convert to fraction form
    1,427,445.44/1,969,899.92 = 782,860/x
  3. Step 3: Cross multiply
    1,427,445.44x = 1,969,899.92 × 782,860
  4. Step 4: Simplify right side
    1,427,445.44x = 1,542,155,851,371.20
  5. Step 5: Solve for x
    x = 1,542,155,851,371.20/1,427,445.44
  6. Step 6: Final answer
    x = 1,080,360.63

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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.