Home / 965,999.20-1,448,998.80-809,701.60

Finding the Fourth Proportional to 965,999.20, 1,448,998.80 and 809,701.60

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Solution

The fourth proportional to 965,999.20, 1,448,998.80 and 809,701.60 is: 1,214,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,999.20 : 1,448,998.80 = 809,701.60 : x
  2. Step 2: Convert to fraction form
    965,999.20/1,448,998.80 = 809,701.60/x
  3. Step 3: Cross multiply
    965,999.20x = 1,448,998.80 × 809,701.60
  4. Step 4: Simplify right side
    965,999.20x = 1,173,256,646,758.08
  5. Step 5: Solve for x
    x = 1,173,256,646,758.08/965,999.20
  6. Step 6: Final answer
    x = 1,214,552.40

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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.