Home / 826,259.94-1,239,739.83-451,845.54

Finding the Fourth Proportional to 826,259.94, 1,239,739.83 and 451,845.54

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Solution

The fourth proportional to 826,259.94, 1,239,739.83 and 451,845.54 is: 677,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,259.94 : 1,239,739.83 = 451,845.54 : x
  2. Step 2: Convert to fraction form
    826,259.94/1,239,739.83 = 451,845.54/x
  3. Step 3: Cross multiply
    826,259.94x = 1,239,739.83 × 451,845.54
  4. Step 4: Simplify right side
    826,259.94x = 560,170,912,945.86
  5. Step 5: Solve for x
    x = 560,170,912,945.86/826,259.94
  6. Step 6: Final answer
    x = 677,959.67

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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.