Home / 1,375,640.42-2,063,458.60-902,214.86

Finding the Fourth Proportional to 1,375,640.42, 2,063,458.60 and 902,214.86

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Solution

The fourth proportional to 1,375,640.42, 2,063,458.60 and 902,214.86 is: 1,353,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,640.42 : 2,063,458.60 = 902,214.86 : x
  2. Step 2: Convert to fraction form
    1,375,640.42/2,063,458.60 = 902,214.86/x
  3. Step 3: Cross multiply
    1,375,640.42x = 2,063,458.60 × 902,214.86
  4. Step 4: Simplify right side
    1,375,640.42x = 1,861,682,999,341.97
  5. Step 5: Solve for x
    x = 1,861,682,999,341.97/1,375,640.42
  6. Step 6: Final answer
    x = 1,353,320.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.