Home / 1,079,010.20-1,618,731.30-320,850.20

Finding the Fourth Proportional to 1,079,010.20, 1,618,731.30 and 320,850.20

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Solution

The fourth proportional to 1,079,010.20, 1,618,731.30 and 320,850.20 is: 481,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,010.20 : 1,618,731.30 = 320,850.20 : x
  2. Step 2: Convert to fraction form
    1,079,010.20/1,618,731.30 = 320,850.20/x
  3. Step 3: Cross multiply
    1,079,010.20x = 1,618,731.30 × 320,850.20
  4. Step 4: Simplify right side
    1,079,010.20x = 519,370,261,351.26
  5. Step 5: Solve for x
    x = 519,370,261,351.26/1,079,010.20
  6. Step 6: Final answer
    x = 481,339.53

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1.5x scale

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.