Home / 1,273,185.62-1,909,778.94-313,659.89

Finding the Fourth Proportional to 1,273,185.62, 1,909,778.94 and 313,659.89

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Solution

The fourth proportional to 1,273,185.62, 1,909,778.94 and 313,659.89 is: 470,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,185.62 : 1,909,778.94 = 313,659.89 : x
  2. Step 2: Convert to fraction form
    1,273,185.62/1,909,778.94 = 313,659.89/x
  3. Step 3: Cross multiply
    1,273,185.62x = 1,909,778.94 × 313,659.89
  4. Step 4: Simplify right side
    1,273,185.62x = 599,021,049,857.49
  5. Step 5: Solve for x
    x = 599,021,049,857.49/1,273,185.62
  6. Step 6: Final answer
    x = 470,489.96

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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.