Home / 1,335,004.20-2,002,311.90-388,276.20

Finding the Fourth Proportional to 1,335,004.20, 2,002,311.90 and 388,276.20

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Solution

The fourth proportional to 1,335,004.20, 2,002,311.90 and 388,276.20 is: 582,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,004.20 : 2,002,311.90 = 388,276.20 : x
  2. Step 2: Convert to fraction form
    1,335,004.20/2,002,311.90 = 388,276.20/x
  3. Step 3: Cross multiply
    1,335,004.20x = 2,002,311.90 × 388,276.20
  4. Step 4: Simplify right side
    1,335,004.20x = 777,450,055,746.78
  5. Step 5: Solve for x
    x = 777,450,055,746.78/1,335,004.20
  6. Step 6: Final answer
    x = 582,357.76

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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.