Home / 1,079,296.78-1,618,662.90-320,933.98

Finding the Fourth Proportional to 1,079,296.78, 1,618,662.90 and 320,933.98

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Solution

The fourth proportional to 1,079,296.78, 1,618,662.90 and 320,933.98 is: 481,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,296.78 : 1,618,662.90 = 320,933.98 : x
  2. Step 2: Convert to fraction form
    1,079,296.78/1,618,662.90 = 320,933.98/x
  3. Step 3: Cross multiply
    1,079,296.78x = 1,618,662.90 × 320,933.98
  4. Step 4: Simplify right side
    1,079,296.78x = 519,483,926,775.34
  5. Step 5: Solve for x
    x = 519,483,926,775.34/1,079,296.78
  6. Step 6: Final answer
    x = 481,317.04

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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.