Home / 1,560,422.55-2,339,969.19-613,128.75

Finding the Fourth Proportional to 1,560,422.55, 2,339,969.19 and 613,128.75

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Solution

The fourth proportional to 1,560,422.55, 2,339,969.19 and 613,128.75 is: 919,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,422.55 : 2,339,969.19 = 613,128.75 : x
  2. Step 2: Convert to fraction form
    1,560,422.55/2,339,969.19 = 613,128.75/x
  3. Step 3: Cross multiply
    1,560,422.55x = 2,339,969.19 × 613,128.75
  4. Step 4: Simplify right side
    1,560,422.55x = 1,434,702,384,503.21
  5. Step 5: Solve for x
    x = 1,434,702,384,503.21/1,560,422.55
  6. Step 6: Final answer
    x = 919,431.97

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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.