Home / 1,263,358.08-1,743,393.60-690,396.48

Finding the Fourth Proportional to 1,263,358.08, 1,743,393.60 and 690,396.48

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Solution

The fourth proportional to 1,263,358.08, 1,743,393.60 and 690,396.48 is: 952,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,358.08 : 1,743,393.60 = 690,396.48 : x
  2. Step 2: Convert to fraction form
    1,263,358.08/1,743,393.60 = 690,396.48/x
  3. Step 3: Cross multiply
    1,263,358.08x = 1,743,393.60 × 690,396.48
  4. Step 4: Simplify right side
    1,263,358.08x = 1,203,632,804,694.53
  5. Step 5: Solve for x
    x = 1,203,632,804,694.53/1,263,358.08
  6. Step 6: Final answer
    x = 952,724.98

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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.