Home / 1,330,561.76-1,995,123.56-419,572.37

Finding the Fourth Proportional to 1,330,561.76, 1,995,123.56 and 419,572.37

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Solution

The fourth proportional to 1,330,561.76, 1,995,123.56 and 419,572.37 is: 629,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,561.76 : 1,995,123.56 = 419,572.37 : x
  2. Step 2: Convert to fraction form
    1,330,561.76/1,995,123.56 = 419,572.37/x
  3. Step 3: Cross multiply
    1,330,561.76x = 1,995,123.56 × 419,572.37
  4. Step 4: Simplify right side
    1,330,561.76x = 837,098,723,401.98
  5. Step 5: Solve for x
    x = 837,098,723,401.98/1,330,561.76
  6. Step 6: Final answer
    x = 629,131.81

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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.