Home / 1,214,405.90-1,821,827.55-504,505.70

Finding the Fourth Proportional to 1,214,405.90, 1,821,827.55 and 504,505.70

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Solution

The fourth proportional to 1,214,405.90, 1,821,827.55 and 504,505.70 is: 756,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,405.90 : 1,821,827.55 = 504,505.70 : x
  2. Step 2: Convert to fraction form
    1,214,405.90/1,821,827.55 = 504,505.70/x
  3. Step 3: Cross multiply
    1,214,405.90x = 1,821,827.55 × 504,505.70
  4. Step 4: Simplify right side
    1,214,405.90x = 919,122,383,392.04
  5. Step 5: Solve for x
    x = 919,122,383,392.04/1,214,405.90
  6. Step 6: Final answer
    x = 756,849.41

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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.