Home / 1,343,648.90-2,015,757.66-445,039.76

Finding the Fourth Proportional to 1,343,648.90, 2,015,757.66 and 445,039.76

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Solution

The fourth proportional to 1,343,648.90, 2,015,757.66 and 445,039.76 is: 667,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,648.90 : 2,015,757.66 = 445,039.76 : x
  2. Step 2: Convert to fraction form
    1,343,648.90/2,015,757.66 = 445,039.76/x
  3. Step 3: Cross multiply
    1,343,648.90x = 2,015,757.66 × 445,039.76
  4. Step 4: Simplify right side
    1,343,648.90x = 897,092,311,932.86
  5. Step 5: Solve for x
    x = 897,092,311,932.86/1,343,648.90
  6. Step 6: Final answer
    x = 667,653.81

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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.