Home / 1,320,683.40-1,981,025.10-682,954.20

Finding the Fourth Proportional to 1,320,683.40, 1,981,025.10 and 682,954.20

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Solution

The fourth proportional to 1,320,683.40, 1,981,025.10 and 682,954.20 is: 1,024,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,683.40 : 1,981,025.10 = 682,954.20 : x
  2. Step 2: Convert to fraction form
    1,320,683.40/1,981,025.10 = 682,954.20/x
  3. Step 3: Cross multiply
    1,320,683.40x = 1,981,025.10 × 682,954.20
  4. Step 4: Simplify right side
    1,320,683.40x = 1,352,949,412,350.42
  5. Step 5: Solve for x
    x = 1,352,949,412,350.42/1,320,683.40
  6. Step 6: Final answer
    x = 1,024,431.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.