Home / 869,067.20-1,303,600.80-806,081.60

Finding the Fourth Proportional to 869,067.20, 1,303,600.80 and 806,081.60

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Solution

The fourth proportional to 869,067.20, 1,303,600.80 and 806,081.60 is: 1,209,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,067.20 : 1,303,600.80 = 806,081.60 : x
  2. Step 2: Convert to fraction form
    869,067.20/1,303,600.80 = 806,081.60/x
  3. Step 3: Cross multiply
    869,067.20x = 1,303,600.80 × 806,081.60
  4. Step 4: Simplify right side
    869,067.20x = 1,050,808,618,625.28
  5. Step 5: Solve for x
    x = 1,050,808,618,625.28/869,067.20
  6. Step 6: Final answer
    x = 1,209,122.40

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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.