Home / 1,538,992.80-2,308,528.80-729,187.20

Finding the Fourth Proportional to 1,538,992.80, 2,308,528.80 and 729,187.20

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Solution

The fourth proportional to 1,538,992.80, 2,308,528.80 and 729,187.20 is: 1,093,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,992.80 : 2,308,528.80 = 729,187.20 : x
  2. Step 2: Convert to fraction form
    1,538,992.80/2,308,528.80 = 729,187.20/x
  3. Step 3: Cross multiply
    1,538,992.80x = 2,308,528.80 × 729,187.20
  4. Step 4: Simplify right side
    1,538,992.80x = 1,683,349,651,791.36
  5. Step 5: Solve for x
    x = 1,683,349,651,791.36/1,538,992.80
  6. Step 6: Final answer
    x = 1,093,799.56

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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.