Home / 1,263,231.68-1,743,255.36-690,276.80

Finding the Fourth Proportional to 1,263,231.68, 1,743,255.36 and 690,276.80

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Solution

The fourth proportional to 1,263,231.68, 1,743,255.36 and 690,276.80 is: 952,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,231.68 : 1,743,255.36 = 690,276.80 : x
  2. Step 2: Convert to fraction form
    1,263,231.68/1,743,255.36 = 690,276.80/x
  3. Step 3: Cross multiply
    1,263,231.68x = 1,743,255.36 × 690,276.80
  4. Step 4: Simplify right side
    1,263,231.68x = 1,203,328,731,483.65
  5. Step 5: Solve for x
    x = 1,203,328,731,483.65/1,263,231.68
  6. Step 6: Final answer
    x = 952,579.60

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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.