Home / 1,812,578.72-2,501,305.74-996,781.58

Finding the Fourth Proportional to 1,812,578.72, 2,501,305.74 and 996,781.58

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Solution

The fourth proportional to 1,812,578.72, 2,501,305.74 and 996,781.58 is: 1,375,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,578.72 : 2,501,305.74 = 996,781.58 : x
  2. Step 2: Convert to fraction form
    1,812,578.72/2,501,305.74 = 996,781.58/x
  3. Step 3: Cross multiply
    1,812,578.72x = 2,501,305.74 × 996,781.58
  4. Step 4: Simplify right side
    1,812,578.72x = 2,493,255,487,580.27
  5. Step 5: Solve for x
    x = 2,493,255,487,580.27/1,812,578.72
  6. Step 6: Final answer
    x = 1,375,529.49

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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.