Home / 1,189,139.16-1,640,325.78-758,934.44

Finding the Fourth Proportional to 1,189,139.16, 1,640,325.78 and 758,934.44

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Solution

The fourth proportional to 1,189,139.16, 1,640,325.78 and 758,934.44 is: 1,046,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,139.16 : 1,640,325.78 = 758,934.44 : x
  2. Step 2: Convert to fraction form
    1,189,139.16/1,640,325.78 = 758,934.44/x
  3. Step 3: Cross multiply
    1,189,139.16x = 1,640,325.78 × 758,934.44
  4. Step 4: Simplify right side
    1,189,139.16x = 1,244,899,727,261.86
  5. Step 5: Solve for x
    x = 1,244,899,727,261.86/1,189,139.16
  6. Step 6: Final answer
    x = 1,046,891.54

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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.