Home / 1,313,520.36-1,969,668.15-682,264.68

Finding the Fourth Proportional to 1,313,520.36, 1,969,668.15 and 682,264.68

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Solution

The fourth proportional to 1,313,520.36, 1,969,668.15 and 682,264.68 is: 1,023,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,520.36 : 1,969,668.15 = 682,264.68 : x
  2. Step 2: Convert to fraction form
    1,313,520.36/1,969,668.15 = 682,264.68/x
  3. Step 3: Cross multiply
    1,313,520.36x = 1,969,668.15 × 682,264.68
  4. Step 4: Simplify right side
    1,313,520.36x = 1,343,835,010,065.94
  5. Step 5: Solve for x
    x = 1,343,835,010,065.94/1,313,520.36
  6. Step 6: Final answer
    x = 1,023,078.93

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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.