Home / 1,025,293.90-1,404,629.32-986,959.30

Finding the Fourth Proportional to 1,025,293.90, 1,404,629.32 and 986,959.30

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Solution

The fourth proportional to 1,025,293.90, 1,404,629.32 and 986,959.30 is: 1,352,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,293.90 : 1,404,629.32 = 986,959.30 : x
  2. Step 2: Convert to fraction form
    1,025,293.90/1,404,629.32 = 986,959.30/x
  3. Step 3: Cross multiply
    1,025,293.90x = 1,404,629.32 × 986,959.30
  4. Step 4: Simplify right side
    1,025,293.90x = 1,386,311,970,426.68
  5. Step 5: Solve for x
    x = 1,386,311,970,426.68/1,025,293.90
  6. Step 6: Final answer
    x = 1,352,111.79

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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.