Home / 1,263,153.78-1,743,152.67-682,377.12

Finding the Fourth Proportional to 1,263,153.78, 1,743,152.67 and 682,377.12

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Solution

The fourth proportional to 1,263,153.78, 1,743,152.67 and 682,377.12 is: 941,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,153.78 : 1,743,152.67 = 682,377.12 : x
  2. Step 2: Convert to fraction form
    1,263,153.78/1,743,152.67 = 682,377.12/x
  3. Step 3: Cross multiply
    1,263,153.78x = 1,743,152.67 × 682,377.12
  4. Step 4: Simplify right side
    1,263,153.78x = 1,189,487,498,674.91
  5. Step 5: Solve for x
    x = 1,189,487,498,674.91/1,263,153.78
  6. Step 6: Final answer
    x = 941,680.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.