Home / 1,269,012.48-1,751,286.24-696,076.80

Finding the Fourth Proportional to 1,269,012.48, 1,751,286.24 and 696,076.80

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Solution

The fourth proportional to 1,269,012.48, 1,751,286.24 and 696,076.80 is: 960,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,012.48 : 1,751,286.24 = 696,076.80 : x
  2. Step 2: Convert to fraction form
    1,269,012.48/1,751,286.24 = 696,076.80/x
  3. Step 3: Cross multiply
    1,269,012.48x = 1,751,286.24 × 696,076.80
  4. Step 4: Simplify right side
    1,269,012.48x = 1,219,029,721,823.23
  5. Step 5: Solve for x
    x = 1,219,029,721,823.23/1,269,012.48
  6. Step 6: Final answer
    x = 960,612.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.