Home / 1,040,218.86-1,560,499.07-320,560.69

Finding the Fourth Proportional to 1,040,218.86, 1,560,499.07 and 320,560.69

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Solution

The fourth proportional to 1,040,218.86, 1,560,499.07 and 320,560.69 is: 480,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,218.86 : 1,560,499.07 = 320,560.69 : x
  2. Step 2: Convert to fraction form
    1,040,218.86/1,560,499.07 = 320,560.69/x
  3. Step 3: Cross multiply
    1,040,218.86x = 1,560,499.07 × 320,560.69
  4. Step 4: Simplify right side
    1,040,218.86x = 500,234,658,623.56
  5. Step 5: Solve for x
    x = 500,234,658,623.56/1,040,218.86
  6. Step 6: Final answer
    x = 480,893.66

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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.