Home / 800,126.37-1,201,127.22-631,760.18

Finding the Fourth Proportional to 800,126.37, 1,201,127.22 and 631,760.18

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Solution

The fourth proportional to 800,126.37, 1,201,127.22 and 631,760.18 is: 948,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,126.37 : 1,201,127.22 = 631,760.18 : x
  2. Step 2: Convert to fraction form
    800,126.37/1,201,127.22 = 631,760.18/x
  3. Step 3: Cross multiply
    800,126.37x = 1,201,127.22 × 631,760.18
  4. Step 4: Simplify right side
    800,126.37x = 758,824,342,704.46
  5. Step 5: Solve for x
    x = 758,824,342,704.46/800,126.37
  6. Step 6: Final answer
    x = 948,380.62

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1.5x scale

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.