Home / 1,214,620.44-1,820,711.32-415,355.12

Finding the Fourth Proportional to 1,214,620.44, 1,820,711.32 and 415,355.12

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Solution

The fourth proportional to 1,214,620.44, 1,820,711.32 and 415,355.12 is: 622,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,620.44 : 1,820,711.32 = 415,355.12 : x
  2. Step 2: Convert to fraction form
    1,214,620.44/1,820,711.32 = 415,355.12/x
  3. Step 3: Cross multiply
    1,214,620.44x = 1,820,711.32 × 415,355.12
  4. Step 4: Simplify right side
    1,214,620.44x = 756,241,768,803.96
  5. Step 5: Solve for x
    x = 756,241,768,803.96/1,214,620.44
  6. Step 6: Final answer
    x = 622,615.71

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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.