Home / 1,263,247.20-1,743,260-690,274.16

Finding the Fourth Proportional to 1,263,247.20, 1,743,260 and 690,274.16

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Solution

The fourth proportional to 1,263,247.20, 1,743,260 and 690,274.16 is: 952,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,247.20 : 1,743,260 = 690,274.16 : x
  2. Step 2: Convert to fraction form
    1,263,247.20/1,743,260 = 690,274.16/x
  3. Step 3: Cross multiply
    1,263,247.20x = 1,743,260 × 690,274.16
  4. Step 4: Simplify right side
    1,263,247.20x = 1,203,327,332,161.60
  5. Step 5: Solve for x
    x = 1,203,327,332,161.60/1,263,247.20
  6. Step 6: Final answer
    x = 952,566.79

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1.5x scale

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.