Home / 1,789,427.38-2,469,420.42-973,636.78

Finding the Fourth Proportional to 1,789,427.38, 2,469,420.42 and 973,636.78

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Solution

The fourth proportional to 1,789,427.38, 2,469,420.42 and 973,636.78 is: 1,343,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,427.38 : 2,469,420.42 = 973,636.78 : x
  2. Step 2: Convert to fraction form
    1,789,427.38/2,469,420.42 = 973,636.78/x
  3. Step 3: Cross multiply
    1,789,427.38x = 2,469,420.42 × 973,636.78
  4. Step 4: Simplify right side
    1,789,427.38x = 2,404,318,546,195.05
  5. Step 5: Solve for x
    x = 2,404,318,546,195.05/1,789,427.38
  6. Step 6: Final answer
    x = 1,343,624.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.