Home / 1,647,571.20-2,470,879.65-494,771.30

Finding the Fourth Proportional to 1,647,571.20, 2,470,879.65 and 494,771.30

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Solution

The fourth proportional to 1,647,571.20, 2,470,879.65 and 494,771.30 is: 742,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,571.20 : 2,470,879.65 = 494,771.30 : x
  2. Step 2: Convert to fraction form
    1,647,571.20/2,470,879.65 = 494,771.30/x
  3. Step 3: Cross multiply
    1,647,571.20x = 2,470,879.65 × 494,771.30
  4. Step 4: Simplify right side
    1,647,571.20x = 1,222,520,336,574.05
  5. Step 5: Solve for x
    x = 1,222,520,336,574.05/1,647,571.20
  6. Step 6: Final answer
    x = 742,013.66

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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.