Home / 1,040,605.16-1,561,177.06-320,930.96

Finding the Fourth Proportional to 1,040,605.16, 1,561,177.06 and 320,930.96

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Solution

The fourth proportional to 1,040,605.16, 1,561,177.06 and 320,930.96 is: 481,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,605.16 : 1,561,177.06 = 320,930.96 : x
  2. Step 2: Convert to fraction form
    1,040,605.16/1,561,177.06 = 320,930.96/x
  3. Step 3: Cross multiply
    1,040,605.16x = 1,561,177.06 × 320,930.96
  4. Step 4: Simplify right side
    1,040,605.16x = 501,030,052,595.78
  5. Step 5: Solve for x
    x = 501,030,052,595.78/1,040,605.16
  6. Step 6: Final answer
    x = 481,479.50

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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.