Home / 1,263,324.58-1,743,410.73-690,388.90

Finding the Fourth Proportional to 1,263,324.58, 1,743,410.73 and 690,388.90

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Solution

The fourth proportional to 1,263,324.58, 1,743,410.73 and 690,388.90 is: 952,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,324.58 : 1,743,410.73 = 690,388.90 : x
  2. Step 2: Convert to fraction form
    1,263,324.58/1,743,410.73 = 690,388.90/x
  3. Step 3: Cross multiply
    1,263,324.58x = 1,743,410.73 × 690,388.90
  4. Step 4: Simplify right side
    1,263,324.58x = 1,203,631,416,132.90
  5. Step 5: Solve for x
    x = 1,203,631,416,132.90/1,263,324.58
  6. Step 6: Final answer
    x = 952,749.15

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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.