Home / 1,313,418.87-1,969,965.24-353,949.50

Finding the Fourth Proportional to 1,313,418.87, 1,969,965.24 and 353,949.50

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Solution

The fourth proportional to 1,313,418.87, 1,969,965.24 and 353,949.50 is: 530,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,418.87 : 1,969,965.24 = 353,949.50 : x
  2. Step 2: Convert to fraction form
    1,313,418.87/1,969,965.24 = 353,949.50/x
  3. Step 3: Cross multiply
    1,313,418.87x = 1,969,965.24 × 353,949.50
  4. Step 4: Simplify right side
    1,313,418.87x = 697,268,201,865.55
  5. Step 5: Solve for x
    x = 697,268,201,865.55/1,313,418.87
  6. Step 6: Final answer
    x = 530,880.30

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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.