Home / 1,288,026.81-1,932,926.04-446,578.56

Finding the Fourth Proportional to 1,288,026.81, 1,932,926.04 and 446,578.56

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Solution

The fourth proportional to 1,288,026.81, 1,932,926.04 and 446,578.56 is: 670,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,026.81 : 1,932,926.04 = 446,578.56 : x
  2. Step 2: Convert to fraction form
    1,288,026.81/1,932,926.04 = 446,578.56/x
  3. Step 3: Cross multiply
    1,288,026.81x = 1,932,926.04 × 446,578.56
  4. Step 4: Simplify right side
    1,288,026.81x = 863,203,327,529.70
  5. Step 5: Solve for x
    x = 863,203,327,529.70/1,288,026.81
  6. Step 6: Final answer
    x = 670,174.97

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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.