Home / 1,330,708.23-1,836,375.57-757,748.43

Finding the Fourth Proportional to 1,330,708.23, 1,836,375.57 and 757,748.43

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Solution

The fourth proportional to 1,330,708.23, 1,836,375.57 and 757,748.43 is: 1,045,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,708.23 : 1,836,375.57 = 757,748.43 : x
  2. Step 2: Convert to fraction form
    1,330,708.23/1,836,375.57 = 757,748.43/x
  3. Step 3: Cross multiply
    1,330,708.23x = 1,836,375.57 × 757,748.43
  4. Step 4: Simplify right side
    1,330,708.23x = 1,391,510,705,057.86
  5. Step 5: Solve for x
    x = 1,391,510,705,057.86/1,330,708.23
  6. Step 6: Final answer
    x = 1,045,691.82

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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.