Home / 1,055,512.49-1,582,668.92-415,469.33

Finding the Fourth Proportional to 1,055,512.49, 1,582,668.92 and 415,469.33

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Solution

The fourth proportional to 1,055,512.49, 1,582,668.92 and 415,469.33 is: 622,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,512.49 : 1,582,668.92 = 415,469.33 : x
  2. Step 2: Convert to fraction form
    1,055,512.49/1,582,668.92 = 415,469.33/x
  3. Step 3: Cross multiply
    1,055,512.49x = 1,582,668.92 × 415,469.33
  4. Step 4: Simplify right side
    1,055,512.49x = 657,550,385,813.53
  5. Step 5: Solve for x
    x = 657,550,385,813.53/1,055,512.49
  6. Step 6: Final answer
    x = 622,967.89

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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.