Home / 1,069,509.44-1,604,183.97-311,356.73

Finding the Fourth Proportional to 1,069,509.44, 1,604,183.97 and 311,356.73

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Solution

The fourth proportional to 1,069,509.44, 1,604,183.97 and 311,356.73 is: 467,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,509.44 : 1,604,183.97 = 311,356.73 : x
  2. Step 2: Convert to fraction form
    1,069,509.44/1,604,183.97 = 311,356.73/x
  3. Step 3: Cross multiply
    1,069,509.44x = 1,604,183.97 × 311,356.73
  4. Step 4: Simplify right side
    1,069,509.44x = 499,473,475,217.62
  5. Step 5: Solve for x
    x = 499,473,475,217.62/1,069,509.44
  6. Step 6: Final answer
    x = 467,011.75

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Double scale
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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.