Home / 1,313,313.46-1,970,131.48-448,891.38

Finding the Fourth Proportional to 1,313,313.46, 1,970,131.48 and 448,891.38

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Solution

The fourth proportional to 1,313,313.46, 1,970,131.48 and 448,891.38 is: 673,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,313.46 : 1,970,131.48 = 448,891.38 : x
  2. Step 2: Convert to fraction form
    1,313,313.46/1,970,131.48 = 448,891.38/x
  3. Step 3: Cross multiply
    1,313,313.46x = 1,970,131.48 × 448,891.38
  4. Step 4: Simplify right side
    1,313,313.46x = 884,375,037,716.41
  5. Step 5: Solve for x
    x = 884,375,037,716.41/1,313,313.46
  6. Step 6: Final answer
    x = 673,392.20

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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.