Home / 1,263,614.15-1,743,761.83-690,658.42

Finding the Fourth Proportional to 1,263,614.15, 1,743,761.83 and 690,658.42

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Solution

The fourth proportional to 1,263,614.15, 1,743,761.83 and 690,658.42 is: 953,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,614.15 : 1,743,761.83 = 690,658.42 : x
  2. Step 2: Convert to fraction form
    1,263,614.15/1,743,761.83 = 690,658.42/x
  3. Step 3: Cross multiply
    1,263,614.15x = 1,743,761.83 × 690,658.42
  4. Step 4: Simplify right side
    1,263,614.15x = 1,204,343,790,364.11
  5. Step 5: Solve for x
    x = 1,204,343,790,364.11/1,263,614.15
  6. Step 6: Final answer
    x = 953,094.57

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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.