Home / 1,079,270.96-1,618,624.31-320,908.19

Finding the Fourth Proportional to 1,079,270.96, 1,618,624.31 and 320,908.19

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Solution

The fourth proportional to 1,079,270.96, 1,618,624.31 and 320,908.19 is: 481,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,270.96 : 1,618,624.31 = 320,908.19 : x
  2. Step 2: Convert to fraction form
    1,079,270.96/1,618,624.31 = 320,908.19/x
  3. Step 3: Cross multiply
    1,079,270.96x = 1,618,624.31 × 320,908.19
  4. Step 4: Simplify right side
    1,079,270.96x = 519,429,787,914.44
  5. Step 5: Solve for x
    x = 519,429,787,914.44/1,079,270.96
  6. Step 6: Final answer
    x = 481,278.39

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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.