Home / 1,198,199.69-1,797,315.44-399,481.49

Finding the Fourth Proportional to 1,198,199.69, 1,797,315.44 and 399,481.49

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Solution

The fourth proportional to 1,198,199.69, 1,797,315.44 and 399,481.49 is: 599,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,199.69 : 1,797,315.44 = 399,481.49 : x
  2. Step 2: Convert to fraction form
    1,198,199.69/1,797,315.44 = 399,481.49/x
  3. Step 3: Cross multiply
    1,198,199.69x = 1,797,315.44 × 399,481.49
  4. Step 4: Simplify right side
    1,198,199.69x = 717,994,252,467.09
  5. Step 5: Solve for x
    x = 717,994,252,467.09/1,198,199.69
  6. Step 6: Final answer
    x = 599,227.54

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Double scale
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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.