Home / 1,431,512.34-2,147,212.42-484,883.03

Finding the Fourth Proportional to 1,431,512.34, 2,147,212.42 and 484,883.03

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Solution

The fourth proportional to 1,431,512.34, 2,147,212.42 and 484,883.03 is: 727,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,512.34 : 2,147,212.42 = 484,883.03 : x
  2. Step 2: Convert to fraction form
    1,431,512.34/2,147,212.42 = 484,883.03/x
  3. Step 3: Cross multiply
    1,431,512.34x = 2,147,212.42 × 484,883.03
  4. Step 4: Simplify right side
    1,431,512.34x = 1,041,146,857,704.72
  5. Step 5: Solve for x
    x = 1,041,146,857,704.72/1,431,512.34
  6. Step 6: Final answer
    x = 727,305.54

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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.