Home / 1,427,326.68-1,969,713.54-782,751.36

Finding the Fourth Proportional to 1,427,326.68, 1,969,713.54 and 782,751.36

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Solution

The fourth proportional to 1,427,326.68, 1,969,713.54 and 782,751.36 is: 1,080,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,326.68 : 1,969,713.54 = 782,751.36 : x
  2. Step 2: Convert to fraction form
    1,427,326.68/1,969,713.54 = 782,751.36/x
  3. Step 3: Cross multiply
    1,427,326.68x = 1,969,713.54 × 782,751.36
  4. Step 4: Simplify right side
    1,427,326.68x = 1,541,795,952,245.41
  5. Step 5: Solve for x
    x = 1,541,795,952,245.41/1,427,326.68
  6. Step 6: Final answer
    x = 1,080,198.37

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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.