Home / 1,354,512.27-1,869,262.62-765,764.85

Finding the Fourth Proportional to 1,354,512.27, 1,869,262.62 and 765,764.85

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Solution

The fourth proportional to 1,354,512.27, 1,869,262.62 and 765,764.85 is: 1,056,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,512.27 : 1,869,262.62 = 765,764.85 : x
  2. Step 2: Convert to fraction form
    1,354,512.27/1,869,262.62 = 765,764.85/x
  3. Step 3: Cross multiply
    1,354,512.27x = 1,869,262.62 × 765,764.85
  4. Step 4: Simplify right side
    1,354,512.27x = 1,431,415,609,814.91
  5. Step 5: Solve for x
    x = 1,431,415,609,814.91/1,354,512.27
  6. Step 6: Final answer
    x = 1,056,775.67

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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.