Home / 1,388,313.96-2,082,791.74-589,621.64

Finding the Fourth Proportional to 1,388,313.96, 2,082,791.74 and 589,621.64

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Solution

The fourth proportional to 1,388,313.96, 2,082,791.74 and 589,621.64 is: 884,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,313.96 : 2,082,791.74 = 589,621.64 : x
  2. Step 2: Convert to fraction form
    1,388,313.96/2,082,791.74 = 589,621.64/x
  3. Step 3: Cross multiply
    1,388,313.96x = 2,082,791.74 × 589,621.64
  4. Step 4: Simplify right side
    1,388,313.96x = 1,228,059,081,517.25
  5. Step 5: Solve for x
    x = 1,228,059,081,517.25/1,388,313.96
  6. Step 6: Final answer
    x = 884,568.70

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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.