Home / 1,198,022.56-1,797,028.72-311,556

Finding the Fourth Proportional to 1,198,022.56, 1,797,028.72 and 311,556

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Solution

The fourth proportional to 1,198,022.56, 1,797,028.72 and 311,556 is: 467,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,022.56 : 1,797,028.72 = 311,556 : x
  2. Step 2: Convert to fraction form
    1,198,022.56/1,797,028.72 = 311,556/x
  3. Step 3: Cross multiply
    1,198,022.56x = 1,797,028.72 × 311,556
  4. Step 4: Simplify right side
    1,198,022.56x = 559,875,079,888.32
  5. Step 5: Solve for x
    x = 559,875,079,888.32/1,198,022.56
  6. Step 6: Final answer
    x = 467,332.67

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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.