Home / 1,025,309.44-1,404,650.52-986,974.80

Finding the Fourth Proportional to 1,025,309.44, 1,404,650.52 and 986,974.80

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Solution

The fourth proportional to 1,025,309.44, 1,404,650.52 and 986,974.80 is: 1,352,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,309.44 : 1,404,650.52 = 986,974.80 : x
  2. Step 2: Convert to fraction form
    1,025,309.44/1,404,650.52 = 986,974.80/x
  3. Step 3: Cross multiply
    1,025,309.44x = 1,404,650.52 × 986,974.80
  4. Step 4: Simplify right side
    1,025,309.44x = 1,386,354,666,046.90
  5. Step 5: Solve for x
    x = 1,386,354,666,046.90/1,025,309.44
  6. Step 6: Final answer
    x = 1,352,132.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.