Home / 1,122,942.80-1,684,414.20-448,690.70

Finding the Fourth Proportional to 1,122,942.80, 1,684,414.20 and 448,690.70

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Solution

The fourth proportional to 1,122,942.80, 1,684,414.20 and 448,690.70 is: 673,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,942.80 : 1,684,414.20 = 448,690.70 : x
  2. Step 2: Convert to fraction form
    1,122,942.80/1,684,414.20 = 448,690.70/x
  3. Step 3: Cross multiply
    1,122,942.80x = 1,684,414.20 × 448,690.70
  4. Step 4: Simplify right side
    1,122,942.80x = 755,780,986,487.94
  5. Step 5: Solve for x
    x = 755,780,986,487.94/1,122,942.80
  6. Step 6: Final answer
    x = 673,036.05

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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.