Home / 1,280,131.29-1,766,631.87-736,266.41

Finding the Fourth Proportional to 1,280,131.29, 1,766,631.87 and 736,266.41

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Solution

The fourth proportional to 1,280,131.29, 1,766,631.87 and 736,266.41 is: 1,016,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,131.29 : 1,766,631.87 = 736,266.41 : x
  2. Step 2: Convert to fraction form
    1,280,131.29/1,766,631.87 = 736,266.41/x
  3. Step 3: Cross multiply
    1,280,131.29x = 1,766,631.87 × 736,266.41
  4. Step 4: Simplify right side
    1,280,131.29x = 1,300,711,702,508.20
  5. Step 5: Solve for x
    x = 1,300,711,702,508.20/1,280,131.29
  6. Step 6: Final answer
    x = 1,016,076.80

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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.