Home / 3,145,379.44-4,719,059.45-1,123,578.67

Finding the Fourth Proportional to 3,145,379.44, 4,719,059.45 and 1,123,578.67

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Solution

The fourth proportional to 3,145,379.44, 4,719,059.45 and 1,123,578.67 is: 1,685,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,379.44 : 4,719,059.45 = 1,123,578.67 : x
  2. Step 2: Convert to fraction form
    3,145,379.44/4,719,059.45 = 1,123,578.67/x
  3. Step 3: Cross multiply
    3,145,379.44x = 4,719,059.45 × 1,123,578.67
  4. Step 4: Simplify right side
    3,145,379.44x = 5,302,234,540,481.93
  5. Step 5: Solve for x
    x = 5,302,234,540,481.93/3,145,379.44
  6. Step 6: Final answer
    x = 1,685,721.75

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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.