Home / 1,198,687.12-1,798,046.25-399,968.67

Finding the Fourth Proportional to 1,198,687.12, 1,798,046.25 and 399,968.67

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Solution

The fourth proportional to 1,198,687.12, 1,798,046.25 and 399,968.67 is: 599,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,687.12 : 1,798,046.25 = 399,968.67 : x
  2. Step 2: Convert to fraction form
    1,198,687.12/1,798,046.25 = 399,968.67/x
  3. Step 3: Cross multiply
    1,198,687.12x = 1,798,046.25 × 399,968.67
  4. Step 4: Simplify right side
    1,198,687.12x = 719,162,167,210.99
  5. Step 5: Solve for x
    x = 719,162,167,210.99/1,198,687.12
  6. Step 6: Final answer
    x = 599,958.20

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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.