Home / 965,863.20-1,448,989.20-809,176.80

Finding the Fourth Proportional to 965,863.20, 1,448,989.20 and 809,176.80

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Solution

The fourth proportional to 965,863.20, 1,448,989.20 and 809,176.80 is: 1,213,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,863.20 : 1,448,989.20 = 809,176.80 : x
  2. Step 2: Convert to fraction form
    965,863.20/1,448,989.20 = 809,176.80/x
  3. Step 3: Cross multiply
    965,863.20x = 1,448,989.20 × 809,176.80
  4. Step 4: Simplify right side
    965,863.20x = 1,172,488,444,090.56
  5. Step 5: Solve for x
    x = 1,172,488,444,090.56/965,863.20
  6. Step 6: Final answer
    x = 1,213,928.06

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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.