Home / 1,213,910.90-1,821,085.05-504,010.70

Finding the Fourth Proportional to 1,213,910.90, 1,821,085.05 and 504,010.70

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Solution

The fourth proportional to 1,213,910.90, 1,821,085.05 and 504,010.70 is: 756,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,910.90 : 1,821,085.05 = 504,010.70 : x
  2. Step 2: Convert to fraction form
    1,213,910.90/1,821,085.05 = 504,010.70/x
  3. Step 3: Cross multiply
    1,213,910.90x = 1,821,085.05 × 504,010.70
  4. Step 4: Simplify right side
    1,213,910.90x = 917,846,350,810.04
  5. Step 5: Solve for x
    x = 917,846,350,810.04/1,213,910.90
  6. Step 6: Final answer
    x = 756,106.85

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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.