Home / 842,826.26-1,263,975.87-281,729.54

Finding the Fourth Proportional to 842,826.26, 1,263,975.87 and 281,729.54

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Solution

The fourth proportional to 842,826.26, 1,263,975.87 and 281,729.54 is: 422,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,826.26 : 1,263,975.87 = 281,729.54 : x
  2. Step 2: Convert to fraction form
    842,826.26/1,263,975.87 = 281,729.54/x
  3. Step 3: Cross multiply
    842,826.26x = 1,263,975.87 × 281,729.54
  4. Step 4: Simplify right side
    842,826.26x = 356,099,340,426.20
  5. Step 5: Solve for x
    x = 356,099,340,426.20/842,826.26
  6. Step 6: Final answer
    x = 422,506.22

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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.