Home / 837,280.80-1,255,921.20-804,621.60

Finding the Fourth Proportional to 837,280.80, 1,255,921.20 and 804,621.60

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Solution

The fourth proportional to 837,280.80, 1,255,921.20 and 804,621.60 is: 1,206,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,280.80 : 1,255,921.20 = 804,621.60 : x
  2. Step 2: Convert to fraction form
    837,280.80/1,255,921.20 = 804,621.60/x
  3. Step 3: Cross multiply
    837,280.80x = 1,255,921.20 × 804,621.60
  4. Step 4: Simplify right side
    837,280.80x = 1,010,541,325,417.92
  5. Step 5: Solve for x
    x = 1,010,541,325,417.92/837,280.80
  6. Step 6: Final answer
    x = 1,206,932.40

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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.