Home / 1,336,201.20-2,004,107.40-389,473.20

Finding the Fourth Proportional to 1,336,201.20, 2,004,107.40 and 389,473.20

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Solution

The fourth proportional to 1,336,201.20, 2,004,107.40 and 389,473.20 is: 584,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,201.20 : 2,004,107.40 = 389,473.20 : x
  2. Step 2: Convert to fraction form
    1,336,201.20/2,004,107.40 = 389,473.20/x
  3. Step 3: Cross multiply
    1,336,201.20x = 2,004,107.40 × 389,473.20
  4. Step 4: Simplify right side
    1,336,201.20x = 780,546,122,221.68
  5. Step 5: Solve for x
    x = 780,546,122,221.68/1,336,201.20
  6. Step 6: Final answer
    x = 584,153.14

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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.