Home / 1,323,288.80-1,984,933.20-966,629.60

Finding the Fourth Proportional to 1,323,288.80, 1,984,933.20 and 966,629.60

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Solution

The fourth proportional to 1,323,288.80, 1,984,933.20 and 966,629.60 is: 1,449,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,288.80 : 1,984,933.20 = 966,629.60 : x
  2. Step 2: Convert to fraction form
    1,323,288.80/1,984,933.20 = 966,629.60/x
  3. Step 3: Cross multiply
    1,323,288.80x = 1,984,933.20 × 966,629.60
  4. Step 4: Simplify right side
    1,323,288.80x = 1,918,695,185,142.72
  5. Step 5: Solve for x
    x = 1,918,695,185,142.72/1,323,288.80
  6. Step 6: Final answer
    x = 1,449,944.40

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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.