Home / 1,388,059.20-2,082,260.16-677,550.27

Finding the Fourth Proportional to 1,388,059.20, 2,082,260.16 and 677,550.27

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Solution

The fourth proportional to 1,388,059.20, 2,082,260.16 and 677,550.27 is: 1,016,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,059.20 : 2,082,260.16 = 677,550.27 : x
  2. Step 2: Convert to fraction form
    1,388,059.20/2,082,260.16 = 677,550.27/x
  3. Step 3: Cross multiply
    1,388,059.20x = 2,082,260.16 × 677,550.27
  4. Step 4: Simplify right side
    1,388,059.20x = 1,410,835,933,618.24
  5. Step 5: Solve for x
    x = 1,410,835,933,618.24/1,388,059.20
  6. Step 6: Final answer
    x = 1,016,409.05

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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.