Home / 1,353,142.62-2,030,021.46-454,515.39

Finding the Fourth Proportional to 1,353,142.62, 2,030,021.46 and 454,515.39

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Solution

The fourth proportional to 1,353,142.62, 2,030,021.46 and 454,515.39 is: 681,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,142.62 : 2,030,021.46 = 454,515.39 : x
  2. Step 2: Convert to fraction form
    1,353,142.62/2,030,021.46 = 454,515.39/x
  3. Step 3: Cross multiply
    1,353,142.62x = 2,030,021.46 × 454,515.39
  4. Step 4: Simplify right side
    1,353,142.62x = 922,675,995,600.27
  5. Step 5: Solve for x
    x = 922,675,995,600.27/1,353,142.62
  6. Step 6: Final answer
    x = 681,876.38

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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.