Home / 1,110,620.28-1,665,585.68-400,556.06

Finding the Fourth Proportional to 1,110,620.28, 1,665,585.68 and 400,556.06

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Solution

The fourth proportional to 1,110,620.28, 1,665,585.68 and 400,556.06 is: 600,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,620.28 : 1,665,585.68 = 400,556.06 : x
  2. Step 2: Convert to fraction form
    1,110,620.28/1,665,585.68 = 400,556.06/x
  3. Step 3: Cross multiply
    1,110,620.28x = 1,665,585.68 × 400,556.06
  4. Step 4: Simplify right side
    1,110,620.28x = 667,160,437,573.22
  5. Step 5: Solve for x
    x = 667,160,437,573.22/1,110,620.28
  6. Step 6: Final answer
    x = 600,709.76

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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.