Home / 1,245,658.80-1,868,488.20-1,183,450.80

Finding the Fourth Proportional to 1,245,658.80, 1,868,488.20 and 1,183,450.80

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Solution

The fourth proportional to 1,245,658.80, 1,868,488.20 and 1,183,450.80 is: 1,775,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,658.80 : 1,868,488.20 = 1,183,450.80 : x
  2. Step 2: Convert to fraction form
    1,245,658.80/1,868,488.20 = 1,183,450.80/x
  3. Step 3: Cross multiply
    1,245,658.80x = 1,868,488.20 × 1,183,450.80
  4. Step 4: Simplify right side
    1,245,658.80x = 2,211,263,855,080.56
  5. Step 5: Solve for x
    x = 2,211,263,855,080.56/1,245,658.80
  6. Step 6: Final answer
    x = 1,775,176.20

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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.