Home / 1,427,512.27-1,970,022.18-782,959.63

Finding the Fourth Proportional to 1,427,512.27, 1,970,022.18 and 782,959.63

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Solution

The fourth proportional to 1,427,512.27, 1,970,022.18 and 782,959.63 is: 1,080,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,512.27 : 1,970,022.18 = 782,959.63 : x
  2. Step 2: Convert to fraction form
    1,427,512.27/1,970,022.18 = 782,959.63/x
  3. Step 3: Cross multiply
    1,427,512.27x = 1,970,022.18 × 782,959.63
  4. Step 4: Simplify right side
    1,427,512.27x = 1,542,447,837,144.59
  5. Step 5: Solve for x
    x = 1,542,447,837,144.59/1,427,512.27
  6. Step 6: Final answer
    x = 1,080,514.59

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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.