Home / 1,222,216.20-1,833,324.30-767,538.90

Finding the Fourth Proportional to 1,222,216.20, 1,833,324.30 and 767,538.90

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Solution

The fourth proportional to 1,222,216.20, 1,833,324.30 and 767,538.90 is: 1,151,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,216.20 : 1,833,324.30 = 767,538.90 : x
  2. Step 2: Convert to fraction form
    1,222,216.20/1,833,324.30 = 767,538.90/x
  3. Step 3: Cross multiply
    1,222,216.20x = 1,833,324.30 × 767,538.90
  4. Step 4: Simplify right side
    1,222,216.20x = 1,407,147,716,565.27
  5. Step 5: Solve for x
    x = 1,407,147,716,565.27/1,222,216.20
  6. Step 6: Final answer
    x = 1,151,308.35

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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.