Home / 1,214,552.82-1,820,609.94-415,287.66

Finding the Fourth Proportional to 1,214,552.82, 1,820,609.94 and 415,287.66

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Solution

The fourth proportional to 1,214,552.82, 1,820,609.94 and 415,287.66 is: 622,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,552.82 : 1,820,609.94 = 415,287.66 : x
  2. Step 2: Convert to fraction form
    1,214,552.82/1,820,609.94 = 415,287.66/x
  3. Step 3: Cross multiply
    1,214,552.82x = 1,820,609.94 × 415,287.66
  4. Step 4: Simplify right side
    1,214,552.82x = 756,076,841,755.34
  5. Step 5: Solve for x
    x = 756,076,841,755.34/1,214,552.82
  6. Step 6: Final answer
    x = 622,514.58

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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.