Home / 1,382,250.46-2,071,997.86-661,262.17

Finding the Fourth Proportional to 1,382,250.46, 2,071,997.86 and 661,262.17

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Solution

The fourth proportional to 1,382,250.46, 2,071,997.86 and 661,262.17 is: 991,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,250.46 : 2,071,997.86 = 661,262.17 : x
  2. Step 2: Convert to fraction form
    1,382,250.46/2,071,997.86 = 661,262.17/x
  3. Step 3: Cross multiply
    1,382,250.46x = 2,071,997.86 × 661,262.17
  4. Step 4: Simplify right side
    1,382,250.46x = 1,370,133,801,138.96
  5. Step 5: Solve for x
    x = 1,370,133,801,138.96/1,382,250.46
  6. Step 6: Final answer
    x = 991,234.11

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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.