Home / 1,313,515.85-1,969,661.41-682,260.17

Finding the Fourth Proportional to 1,313,515.85, 1,969,661.41 and 682,260.17

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Solution

The fourth proportional to 1,313,515.85, 1,969,661.41 and 682,260.17 is: 1,023,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,515.85 : 1,969,661.41 = 682,260.17 : x
  2. Step 2: Convert to fraction form
    1,313,515.85/1,969,661.41 = 682,260.17/x
  3. Step 3: Cross multiply
    1,313,515.85x = 1,969,661.41 × 682,260.17
  4. Step 4: Simplify right side
    1,313,515.85x = 1,343,821,516,875.08
  5. Step 5: Solve for x
    x = 1,343,821,516,875.08/1,313,515.85
  6. Step 6: Final answer
    x = 1,023,072.18

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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.