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Finding the Fourth Proportional to 1,198,909, 1,798,322.04 and 300,358.60

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Solution

The fourth proportional to 1,198,909, 1,798,322.04 and 300,358.60 is: 450,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,909 : 1,798,322.04 = 300,358.60 : x
  2. Step 2: Convert to fraction form
    1,198,909/1,798,322.04 = 300,358.60/x
  3. Step 3: Cross multiply
    1,198,909x = 1,798,322.04 × 300,358.60
  4. Step 4: Simplify right side
    1,198,909x = 540,141,490,283.54
  5. Step 5: Solve for x
    x = 540,141,490,283.54/1,198,909
  6. Step 6: Final answer
    x = 450,527.51

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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.