Home / 1,028,469.78-1,543,135.29-451,795.65

Finding the Fourth Proportional to 1,028,469.78, 1,543,135.29 and 451,795.65

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Solution

The fourth proportional to 1,028,469.78, 1,543,135.29 and 451,795.65 is: 677,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,469.78 : 1,543,135.29 = 451,795.65 : x
  2. Step 2: Convert to fraction form
    1,028,469.78/1,543,135.29 = 451,795.65/x
  3. Step 3: Cross multiply
    1,028,469.78x = 1,543,135.29 × 451,795.65
  4. Step 4: Simplify right side
    1,028,469.78x = 697,181,811,383.49
  5. Step 5: Solve for x
    x = 697,181,811,383.49/1,028,469.78
  6. Step 6: Final answer
    x = 677,882.64

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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.