Home / 1,215,012.08-1,821,835.56-504,562.16

Finding the Fourth Proportional to 1,215,012.08, 1,821,835.56 and 504,562.16

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Solution

The fourth proportional to 1,215,012.08, 1,821,835.56 and 504,562.16 is: 756,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,012.08 : 1,821,835.56 = 504,562.16 : x
  2. Step 2: Convert to fraction form
    1,215,012.08/1,821,835.56 = 504,562.16/x
  3. Step 3: Cross multiply
    1,215,012.08x = 1,821,835.56 × 504,562.16
  4. Step 4: Simplify right side
    1,215,012.08x = 919,229,285,318.41
  5. Step 5: Solve for x
    x = 919,229,285,318.41/1,215,012.08
  6. Step 6: Final answer
    x = 756,559.79

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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.