Home / 1,313,035.20-1,968,764.40-513,363.24

Finding the Fourth Proportional to 1,313,035.20, 1,968,764.40 and 513,363.24

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Solution

The fourth proportional to 1,313,035.20, 1,968,764.40 and 513,363.24 is: 769,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,035.20 : 1,968,764.40 = 513,363.24 : x
  2. Step 2: Convert to fraction form
    1,313,035.20/1,968,764.40 = 513,363.24/x
  3. Step 3: Cross multiply
    1,313,035.20x = 1,968,764.40 × 513,363.24
  4. Step 4: Simplify right side
    1,313,035.20x = 1,010,691,271,180.66
  5. Step 5: Solve for x
    x = 1,010,691,271,180.66/1,313,035.20
  6. Step 6: Final answer
    x = 769,736.62

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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.