Home / 1,427,343.82-2,141,019.44-481,379.02

Finding the Fourth Proportional to 1,427,343.82, 2,141,019.44 and 481,379.02

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Solution

The fourth proportional to 1,427,343.82, 2,141,019.44 and 481,379.02 is: 722,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,343.82 : 2,141,019.44 = 481,379.02 : x
  2. Step 2: Convert to fraction form
    1,427,343.82/2,141,019.44 = 481,379.02/x
  3. Step 3: Cross multiply
    1,427,343.82x = 2,141,019.44 × 481,379.02
  4. Step 4: Simplify right side
    1,427,343.82x = 1,030,641,839,828.15
  5. Step 5: Solve for x
    x = 1,030,641,839,828.15/1,427,343.82
  6. Step 6: Final answer
    x = 722,069.78

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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.