Home / 1,263,634.72-1,743,811.68-690,674.56

Finding the Fourth Proportional to 1,263,634.72, 1,743,811.68 and 690,674.56

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Solution

The fourth proportional to 1,263,634.72, 1,743,811.68 and 690,674.56 is: 953,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,634.72 : 1,743,811.68 = 690,674.56 : x
  2. Step 2: Convert to fraction form
    1,263,634.72/1,743,811.68 = 690,674.56/x
  3. Step 3: Cross multiply
    1,263,634.72x = 1,743,811.68 × 690,674.56
  4. Step 4: Simplify right side
    1,263,634.72x = 1,204,406,364,806.86
  5. Step 5: Solve for x
    x = 1,204,406,364,806.86/1,263,634.72
  6. Step 6: Final answer
    x = 953,128.58

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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.