Home / 1,079,277.75-1,618,634.43-320,914.98

Finding the Fourth Proportional to 1,079,277.75, 1,618,634.43 and 320,914.98

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Solution

The fourth proportional to 1,079,277.75, 1,618,634.43 and 320,914.98 is: 481,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,277.75 : 1,618,634.43 = 320,914.98 : x
  2. Step 2: Convert to fraction form
    1,079,277.75/1,618,634.43 = 320,914.98/x
  3. Step 3: Cross multiply
    1,079,277.75x = 1,618,634.43 × 320,914.98
  4. Step 4: Simplify right side
    1,079,277.75x = 519,444,035,730.76
  5. Step 5: Solve for x
    x = 519,444,035,730.76/1,079,277.75
  6. Step 6: Final answer
    x = 481,288.56

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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.