Home / 1,432,198.44-1,976,485.88-820,469.44

Finding the Fourth Proportional to 1,432,198.44, 1,976,485.88 and 820,469.44

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Solution

The fourth proportional to 1,432,198.44, 1,976,485.88 and 820,469.44 is: 1,132,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,198.44 : 1,976,485.88 = 820,469.44 : x
  2. Step 2: Convert to fraction form
    1,432,198.44/1,976,485.88 = 820,469.44/x
  3. Step 3: Cross multiply
    1,432,198.44x = 1,976,485.88 × 820,469.44
  4. Step 4: Simplify right side
    1,432,198.44x = 1,621,646,263,131.51
  5. Step 5: Solve for x
    x = 1,621,646,263,131.51/1,432,198.44
  6. Step 6: Final answer
    x = 1,132,277.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.