Home / 1,213,922.40-1,821,102.30-504,022.20

Finding the Fourth Proportional to 1,213,922.40, 1,821,102.30 and 504,022.20

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Solution

The fourth proportional to 1,213,922.40, 1,821,102.30 and 504,022.20 is: 756,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,922.40 : 1,821,102.30 = 504,022.20 : x
  2. Step 2: Convert to fraction form
    1,213,922.40/1,821,102.30 = 504,022.20/x
  3. Step 3: Cross multiply
    1,213,922.40x = 1,821,102.30 × 504,022.20
  4. Step 4: Simplify right side
    1,213,922.40x = 917,875,987,671.06
  5. Step 5: Solve for x
    x = 917,875,987,671.06/1,213,922.40
  6. Step 6: Final answer
    x = 756,124.10

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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.