Home / 1,389,944.44-2,085,072.23-443,095.48

Finding the Fourth Proportional to 1,389,944.44, 2,085,072.23 and 443,095.48

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Solution

The fourth proportional to 1,389,944.44, 2,085,072.23 and 443,095.48 is: 664,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,944.44 : 2,085,072.23 = 443,095.48 : x
  2. Step 2: Convert to fraction form
    1,389,944.44/2,085,072.23 = 443,095.48/x
  3. Step 3: Cross multiply
    1,389,944.44x = 2,085,072.23 × 443,095.48
  4. Step 4: Simplify right side
    1,389,944.44x = 923,886,080,586.52
  5. Step 5: Solve for x
    x = 923,886,080,586.52/1,389,944.44
  6. Step 6: Final answer
    x = 664,692.81

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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.