Home / 1,560,736.80-2,341,105.20-438,805.80

Finding the Fourth Proportional to 1,560,736.80, 2,341,105.20 and 438,805.80

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Solution

The fourth proportional to 1,560,736.80, 2,341,105.20 and 438,805.80 is: 658,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,736.80 : 2,341,105.20 = 438,805.80 : x
  2. Step 2: Convert to fraction form
    1,560,736.80/2,341,105.20 = 438,805.80/x
  3. Step 3: Cross multiply
    1,560,736.80x = 2,341,105.20 × 438,805.80
  4. Step 4: Simplify right side
    1,560,736.80x = 1,027,290,540,170.16
  5. Step 5: Solve for x
    x = 1,027,290,540,170.16/1,560,736.80
  6. Step 6: Final answer
    x = 658,208.70

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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.