Home / 1,041,395.35-1,561,786.83-442,351.75

Finding the Fourth Proportional to 1,041,395.35, 1,561,786.83 and 442,351.75

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Solution

The fourth proportional to 1,041,395.35, 1,561,786.83 and 442,351.75 is: 663,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,395.35 : 1,561,786.83 = 442,351.75 : x
  2. Step 2: Convert to fraction form
    1,041,395.35/1,561,786.83 = 442,351.75/x
  3. Step 3: Cross multiply
    1,041,395.35x = 1,561,786.83 × 442,351.75
  4. Step 4: Simplify right side
    1,041,395.35x = 690,859,137,377.45
  5. Step 5: Solve for x
    x = 690,859,137,377.45/1,041,395.35
  6. Step 6: Final answer
    x = 663,397.56

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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.