Home / 1,213,940.20-1,821,722.94-503,968.84

Finding the Fourth Proportional to 1,213,940.20, 1,821,722.94 and 503,968.84

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Solution

The fourth proportional to 1,213,940.20, 1,821,722.94 and 503,968.84 is: 756,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,940.20 : 1,821,722.94 = 503,968.84 : x
  2. Step 2: Convert to fraction form
    1,213,940.20/1,821,722.94 = 503,968.84/x
  3. Step 3: Cross multiply
    1,213,940.20x = 1,821,722.94 × 503,968.84
  4. Step 4: Simplify right side
    1,213,940.20x = 918,091,596,873.19
  5. Step 5: Solve for x
    x = 918,091,596,873.19/1,213,940.20
  6. Step 6: Final answer
    x = 756,290.63

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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.