Home / 1,645,229.40-2,468,621.70-699,408.60

Finding the Fourth Proportional to 1,645,229.40, 2,468,621.70 and 699,408.60

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Solution

The fourth proportional to 1,645,229.40, 2,468,621.70 and 699,408.60 is: 1,049,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,229.40 : 2,468,621.70 = 699,408.60 : x
  2. Step 2: Convert to fraction form
    1,645,229.40/2,468,621.70 = 699,408.60/x
  3. Step 3: Cross multiply
    1,645,229.40x = 2,468,621.70 × 699,408.60
  4. Step 4: Simplify right side
    1,645,229.40x = 1,726,575,247,126.62
  5. Step 5: Solve for x
    x = 1,726,575,247,126.62/1,645,229.40
  6. Step 6: Final answer
    x = 1,049,443.47

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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.