Home / 1,311,401.48-1,967,011.91-806,040.46

Finding the Fourth Proportional to 1,311,401.48, 1,967,011.91 and 806,040.46

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Solution

The fourth proportional to 1,311,401.48, 1,967,011.91 and 806,040.46 is: 1,209,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,401.48 : 1,967,011.91 = 806,040.46 : x
  2. Step 2: Convert to fraction form
    1,311,401.48/1,967,011.91 = 806,040.46/x
  3. Step 3: Cross multiply
    1,311,401.48x = 1,967,011.91 × 806,040.46
  4. Step 4: Simplify right side
    1,311,401.48x = 1,585,491,170,896.62
  5. Step 5: Solve for x
    x = 1,585,491,170,896.62/1,311,401.48
  6. Step 6: Final answer
    x = 1,209,005.17

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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.