Home / 1,427,500.56-1,969,960.50-782,925.36

Finding the Fourth Proportional to 1,427,500.56, 1,969,960.50 and 782,925.36

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Solution

The fourth proportional to 1,427,500.56, 1,969,960.50 and 782,925.36 is: 1,080,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,500.56 : 1,969,960.50 = 782,925.36 : x
  2. Step 2: Convert to fraction form
    1,427,500.56/1,969,960.50 = 782,925.36/x
  3. Step 3: Cross multiply
    1,427,500.56x = 1,969,960.50 × 782,925.36
  4. Step 4: Simplify right side
    1,427,500.56x = 1,542,332,033,648.28
  5. Step 5: Solve for x
    x = 1,542,332,033,648.28/1,427,500.56
  6. Step 6: Final answer
    x = 1,080,442.33

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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.