Home / 1,025,294.15-1,404,629.65-986,959.55

Finding the Fourth Proportional to 1,025,294.15, 1,404,629.65 and 986,959.55

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Solution

The fourth proportional to 1,025,294.15, 1,404,629.65 and 986,959.55 is: 1,352,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,294.15 : 1,404,629.65 = 986,959.55 : x
  2. Step 2: Convert to fraction form
    1,025,294.15/1,404,629.65 = 986,959.55/x
  3. Step 3: Cross multiply
    1,025,294.15x = 1,404,629.65 × 986,959.55
  4. Step 4: Simplify right side
    1,025,294.15x = 1,386,312,647,280.66
  5. Step 5: Solve for x
    x = 1,386,312,647,280.66/1,025,294.15
  6. Step 6: Final answer
    x = 1,352,112.12

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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.