Home / 757,596.25-1,131,481.73-686,376.58

Finding the Fourth Proportional to 757,596.25, 1,131,481.73 and 686,376.58

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Solution

The fourth proportional to 757,596.25, 1,131,481.73 and 686,376.58 is: 1,025,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,596.25 : 1,131,481.73 = 686,376.58 : x
  2. Step 2: Convert to fraction form
    757,596.25/1,131,481.73 = 686,376.58/x
  3. Step 3: Cross multiply
    757,596.25x = 1,131,481.73 × 686,376.58
  4. Step 4: Simplify right side
    757,596.25x = 776,622,560,169.88
  5. Step 5: Solve for x
    x = 776,622,560,169.88/757,596.25
  6. Step 6: Final answer
    x = 1,025,114.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.