Home / 1,040,601.78-1,561,172.01-320,927.58

Finding the Fourth Proportional to 1,040,601.78, 1,561,172.01 and 320,927.58

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Solution

The fourth proportional to 1,040,601.78, 1,561,172.01 and 320,927.58 is: 481,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,601.78 : 1,561,172.01 = 320,927.58 : x
  2. Step 2: Convert to fraction form
    1,040,601.78/1,561,172.01 = 320,927.58/x
  3. Step 3: Cross multiply
    1,040,601.78x = 1,561,172.01 × 320,927.58
  4. Step 4: Simplify right side
    1,040,601.78x = 501,023,155,133.04
  5. Step 5: Solve for x
    x = 501,023,155,133.04/1,040,601.78
  6. Step 6: Final answer
    x = 481,474.44

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1.5x scale

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.