Home / 757,086.82-1,136,162.86-684,728.80

Finding the Fourth Proportional to 757,086.82, 1,136,162.86 and 684,728.80

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Solution

The fourth proportional to 757,086.82, 1,136,162.86 and 684,728.80 is: 1,027,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,086.82 : 1,136,162.86 = 684,728.80 : x
  2. Step 2: Convert to fraction form
    757,086.82/1,136,162.86 = 684,728.80/x
  3. Step 3: Cross multiply
    757,086.82x = 1,136,162.86 × 684,728.80
  4. Step 4: Simplify right side
    757,086.82x = 777,963,427,180.14
  5. Step 5: Solve for x
    x = 777,963,427,180.14/757,086.82
  6. Step 6: Final answer
    x = 1,027,574.92

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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.