Home / 1,118,815.72-1,544,005.38-635,367.40

Finding the Fourth Proportional to 1,118,815.72, 1,544,005.38 and 635,367.40

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Solution

The fourth proportional to 1,118,815.72, 1,544,005.38 and 635,367.40 is: 876,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,815.72 : 1,544,005.38 = 635,367.40 : x
  2. Step 2: Convert to fraction form
    1,118,815.72/1,544,005.38 = 635,367.40/x
  3. Step 3: Cross multiply
    1,118,815.72x = 1,544,005.38 × 635,367.40
  4. Step 4: Simplify right side
    1,118,815.72x = 981,010,683,876.61
  5. Step 5: Solve for x
    x = 981,010,683,876.61/1,118,815.72
  6. Step 6: Final answer
    x = 876,829.55

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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.