Home / 1,079,270.36-1,618,623.51-320,907.66

Finding the Fourth Proportional to 1,079,270.36, 1,618,623.51 and 320,907.66

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Solution

The fourth proportional to 1,079,270.36, 1,618,623.51 and 320,907.66 is: 481,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,270.36 : 1,618,623.51 = 320,907.66 : x
  2. Step 2: Convert to fraction form
    1,079,270.36/1,618,623.51 = 320,907.66/x
  3. Step 3: Cross multiply
    1,079,270.36x = 1,618,623.51 × 320,907.66
  4. Step 4: Simplify right side
    1,079,270.36x = 519,428,675,741.85
  5. Step 5: Solve for x
    x = 519,428,675,741.85/1,079,270.36
  6. Step 6: Final answer
    x = 481,277.63

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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.