Home / 1,427,494.28-1,969,943.37-782,927.06

Finding the Fourth Proportional to 1,427,494.28, 1,969,943.37 and 782,927.06

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Solution

The fourth proportional to 1,427,494.28, 1,969,943.37 and 782,927.06 is: 1,080,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,494.28 : 1,969,943.37 = 782,927.06 : x
  2. Step 2: Convert to fraction form
    1,427,494.28/1,969,943.37 = 782,927.06/x
  3. Step 3: Cross multiply
    1,427,494.28x = 1,969,943.37 × 782,927.06
  4. Step 4: Simplify right side
    1,427,494.28x = 1,542,321,971,040.59
  5. Step 5: Solve for x
    x = 1,542,321,971,040.59/1,427,494.28
  6. Step 6: Final answer
    x = 1,080,440.04

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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.