Home / 1,256,743.76-1,885,407.22-415,244.48

Finding the Fourth Proportional to 1,256,743.76, 1,885,407.22 and 415,244.48

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Solution

The fourth proportional to 1,256,743.76, 1,885,407.22 and 415,244.48 is: 622,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,743.76 : 1,885,407.22 = 415,244.48 : x
  2. Step 2: Convert to fraction form
    1,256,743.76/1,885,407.22 = 415,244.48/x
  3. Step 3: Cross multiply
    1,256,743.76x = 1,885,407.22 × 415,244.48
  4. Step 4: Simplify right side
    1,256,743.76x = 782,904,940,657.15
  5. Step 5: Solve for x
    x = 782,904,940,657.15/1,256,743.76
  6. Step 6: Final answer
    x = 622,963.06

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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.