Home / 1,380,113.82-2,070,365.13-481,424.49

Finding the Fourth Proportional to 1,380,113.82, 2,070,365.13 and 481,424.49

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Solution

The fourth proportional to 1,380,113.82, 2,070,365.13 and 481,424.49 is: 722,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,113.82 : 2,070,365.13 = 481,424.49 : x
  2. Step 2: Convert to fraction form
    1,380,113.82/2,070,365.13 = 481,424.49/x
  3. Step 3: Cross multiply
    1,380,113.82x = 2,070,365.13 × 481,424.49
  4. Step 4: Simplify right side
    1,380,113.82x = 996,724,476,824.03
  5. Step 5: Solve for x
    x = 996,724,476,824.03/1,380,113.82
  6. Step 6: Final answer
    x = 722,204.55

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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.