Home / 1,670,218.20-2,505,315.30-408,034.20

Finding the Fourth Proportional to 1,670,218.20, 2,505,315.30 and 408,034.20

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Solution

The fourth proportional to 1,670,218.20, 2,505,315.30 and 408,034.20 is: 612,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,218.20 : 2,505,315.30 = 408,034.20 : x
  2. Step 2: Convert to fraction form
    1,670,218.20/2,505,315.30 = 408,034.20/x
  3. Step 3: Cross multiply
    1,670,218.20x = 2,505,315.30 × 408,034.20
  4. Step 4: Simplify right side
    1,670,218.20x = 1,022,254,324,183.26
  5. Step 5: Solve for x
    x = 1,022,254,324,183.26/1,670,218.20
  6. Step 6: Final answer
    x = 612,048.37

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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.