Home / 1,388,867.30-2,081,146.08-963,233.36

Finding the Fourth Proportional to 1,388,867.30, 2,081,146.08 and 963,233.36

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Solution

The fourth proportional to 1,388,867.30, 2,081,146.08 and 963,233.36 is: 1,443,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,867.30 : 2,081,146.08 = 963,233.36 : x
  2. Step 2: Convert to fraction form
    1,388,867.30/2,081,146.08 = 963,233.36/x
  3. Step 3: Cross multiply
    1,388,867.30x = 2,081,146.08 × 963,233.36
  4. Step 4: Simplify right side
    1,388,867.30x = 2,004,629,331,289.23
  5. Step 5: Solve for x
    x = 2,004,629,331,289.23/1,388,867.30
  6. Step 6: Final answer
    x = 1,443,355.55

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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.