Home / 1,313,520.35-1,969,668.16-682,264.67

Finding the Fourth Proportional to 1,313,520.35, 1,969,668.16 and 682,264.67

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Solution

The fourth proportional to 1,313,520.35, 1,969,668.16 and 682,264.67 is: 1,023,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,520.35 : 1,969,668.16 = 682,264.67 : x
  2. Step 2: Convert to fraction form
    1,313,520.35/1,969,668.16 = 682,264.67/x
  3. Step 3: Cross multiply
    1,313,520.35x = 1,969,668.16 × 682,264.67
  4. Step 4: Simplify right side
    1,313,520.35x = 1,343,834,985,637.90
  5. Step 5: Solve for x
    x = 1,343,834,985,637.90/1,313,520.35
  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.