Home / 1,263,606.39-1,743,751.10-690,650.67

Finding the Fourth Proportional to 1,263,606.39, 1,743,751.10 and 690,650.67

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Solution

The fourth proportional to 1,263,606.39, 1,743,751.10 and 690,650.67 is: 953,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,606.39 : 1,743,751.10 = 690,650.67 : x
  2. Step 2: Convert to fraction form
    1,263,606.39/1,743,751.10 = 690,650.67/x
  3. Step 3: Cross multiply
    1,263,606.39x = 1,743,751.10 × 690,650.67
  4. Step 4: Simplify right side
    1,263,606.39x = 1,204,322,855,082.85
  5. Step 5: Solve for x
    x = 1,204,322,855,082.85/1,263,606.39
  6. Step 6: Final answer
    x = 953,083.86

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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.