Home / 1,427,508.27-1,970,016.66-782,955.63

Finding the Fourth Proportional to 1,427,508.27, 1,970,016.66 and 782,955.63

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Solution

The fourth proportional to 1,427,508.27, 1,970,016.66 and 782,955.63 is: 1,080,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,508.27 : 1,970,016.66 = 782,955.63 : x
  2. Step 2: Convert to fraction form
    1,427,508.27/1,970,016.66 = 782,955.63/x
  3. Step 3: Cross multiply
    1,427,508.27x = 1,970,016.66 × 782,955.63
  4. Step 4: Simplify right side
    1,427,508.27x = 1,542,435,635,140.80
  5. Step 5: Solve for x
    x = 1,542,435,635,140.80/1,427,508.27
  6. Step 6: Final answer
    x = 1,080,509.07

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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.