Home / 1,227,266.80-1,839,805.80-479,138.80

Finding the Fourth Proportional to 1,227,266.80, 1,839,805.80 and 479,138.80

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Solution

The fourth proportional to 1,227,266.80, 1,839,805.80 and 479,138.80 is: 718,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,266.80 : 1,839,805.80 = 479,138.80 : x
  2. Step 2: Convert to fraction form
    1,227,266.80/1,839,805.80 = 479,138.80/x
  3. Step 3: Cross multiply
    1,227,266.80x = 1,839,805.80 × 479,138.80
  4. Step 4: Simplify right side
    1,227,266.80x = 881,522,343,245.04
  5. Step 5: Solve for x
    x = 881,522,343,245.04/1,227,266.80
  6. Step 6: Final answer
    x = 718,280.93

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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.