Home / 1,336,202.20-2,004,108.90-389,474.20

Finding the Fourth Proportional to 1,336,202.20, 2,004,108.90 and 389,474.20

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Solution

The fourth proportional to 1,336,202.20, 2,004,108.90 and 389,474.20 is: 584,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,202.20 : 2,004,108.90 = 389,474.20 : x
  2. Step 2: Convert to fraction form
    1,336,202.20/2,004,108.90 = 389,474.20/x
  3. Step 3: Cross multiply
    1,336,202.20x = 2,004,108.90 × 389,474.20
  4. Step 4: Simplify right side
    1,336,202.20x = 780,548,710,540.38
  5. Step 5: Solve for x
    x = 780,548,710,540.38/1,336,202.20
  6. Step 6: Final answer
    x = 584,154.64

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1.5x scale

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.