Home / 1,336,176.20-2,004,264.30-389,642.60

Finding the Fourth Proportional to 1,336,176.20, 2,004,264.30 and 389,642.60

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Solution

The fourth proportional to 1,336,176.20, 2,004,264.30 and 389,642.60 is: 584,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,176.20 : 2,004,264.30 = 389,642.60 : x
  2. Step 2: Convert to fraction form
    1,336,176.20/2,004,264.30 = 389,642.60/x
  3. Step 3: Cross multiply
    1,336,176.20x = 2,004,264.30 × 389,642.60
  4. Step 4: Simplify right side
    1,336,176.20x = 780,946,752,939.18
  5. Step 5: Solve for x
    x = 780,946,752,939.18/1,336,176.20
  6. Step 6: Final answer
    x = 584,463.90

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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.