Home / 1,007,757.07-1,511,626.20-408,575.80

Finding the Fourth Proportional to 1,007,757.07, 1,511,626.20 and 408,575.80

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Solution

The fourth proportional to 1,007,757.07, 1,511,626.20 and 408,575.80 is: 612,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,757.07 : 1,511,626.20 = 408,575.80 : x
  2. Step 2: Convert to fraction form
    1,007,757.07/1,511,626.20 = 408,575.80/x
  3. Step 3: Cross multiply
    1,007,757.07x = 1,511,626.20 × 408,575.80
  4. Step 4: Simplify right side
    1,007,757.07x = 617,613,883,965.96
  5. Step 5: Solve for x
    x = 617,613,883,965.96/1,007,757.07
  6. Step 6: Final answer
    x = 612,859.89

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Double scale
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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.