Home / 1,345,249.85-2,015,632.76-945,174.38

Finding the Fourth Proportional to 1,345,249.85, 2,015,632.76 and 945,174.38

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Solution

The fourth proportional to 1,345,249.85, 2,015,632.76 and 945,174.38 is: 1,416,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,249.85 : 2,015,632.76 = 945,174.38 : x
  2. Step 2: Convert to fraction form
    1,345,249.85/2,015,632.76 = 945,174.38/x
  3. Step 3: Cross multiply
    1,345,249.85x = 2,015,632.76 × 945,174.38
  4. Step 4: Simplify right side
    1,345,249.85x = 1,905,124,429,436.65
  5. Step 5: Solve for x
    x = 1,905,124,429,436.65/1,345,249.85
  6. Step 6: Final answer
    x = 1,416,186.32

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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.