Home / 1,049,635.62-1,575,218.07-418,729.86

Finding the Fourth Proportional to 1,049,635.62, 1,575,218.07 and 418,729.86

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Solution

The fourth proportional to 1,049,635.62, 1,575,218.07 and 418,729.86 is: 628,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,635.62 : 1,575,218.07 = 418,729.86 : x
  2. Step 2: Convert to fraction form
    1,049,635.62/1,575,218.07 = 418,729.86/x
  3. Step 3: Cross multiply
    1,049,635.62x = 1,575,218.07 × 418,729.86
  4. Step 4: Simplify right side
    1,049,635.62x = 659,590,841,920.57
  5. Step 5: Solve for x
    x = 659,590,841,920.57/1,049,635.62
  6. Step 6: Final answer
    x = 628,399.83

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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.