Home / 1,427,227.37-1,969,600.80-782,609.12

Finding the Fourth Proportional to 1,427,227.37, 1,969,600.80 and 782,609.12

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Solution

The fourth proportional to 1,427,227.37, 1,969,600.80 and 782,609.12 is: 1,080,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,227.37 : 1,969,600.80 = 782,609.12 : x
  2. Step 2: Convert to fraction form
    1,427,227.37/1,969,600.80 = 782,609.12/x
  3. Step 3: Cross multiply
    1,427,227.37x = 1,969,600.80 × 782,609.12
  4. Step 4: Simplify right side
    1,427,227.37x = 1,541,427,548,839.30
  5. Step 5: Solve for x
    x = 1,541,427,548,839.30/1,427,227.37
  6. Step 6: Final answer
    x = 1,080,015.41

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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.