Home / 1,086,204.38-1,629,386.51-287,480.52

Finding the Fourth Proportional to 1,086,204.38, 1,629,386.51 and 287,480.52

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Solution

The fourth proportional to 1,086,204.38, 1,629,386.51 and 287,480.52 is: 431,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,204.38 : 1,629,386.51 = 287,480.52 : x
  2. Step 2: Convert to fraction form
    1,086,204.38/1,629,386.51 = 287,480.52/x
  3. Step 3: Cross multiply
    1,086,204.38x = 1,629,386.51 × 287,480.52
  4. Step 4: Simplify right side
    1,086,204.38x = 468,416,879,738.38
  5. Step 5: Solve for x
    x = 468,416,879,738.38/1,086,204.38
  6. Step 6: Final answer
    x = 431,241.94

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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.