Home / 1,100,703.73-1,518,682.45-635,443.78

Finding the Fourth Proportional to 1,100,703.73, 1,518,682.45 and 635,443.78

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Solution

The fourth proportional to 1,100,703.73, 1,518,682.45 and 635,443.78 is: 876,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,703.73 : 1,518,682.45 = 635,443.78 : x
  2. Step 2: Convert to fraction form
    1,100,703.73/1,518,682.45 = 635,443.78/x
  3. Step 3: Cross multiply
    1,100,703.73x = 1,518,682.45 × 635,443.78
  4. Step 4: Simplify right side
    1,100,703.73x = 965,037,316,647.66
  5. Step 5: Solve for x
    x = 965,037,316,647.66/1,100,703.73
  6. Step 6: Final answer
    x = 876,745.75

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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.