Home / 1,812,388.78-2,501,010.90-996,626.84

Finding the Fourth Proportional to 1,812,388.78, 2,501,010.90 and 996,626.84

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Solution

The fourth proportional to 1,812,388.78, 2,501,010.90 and 996,626.84 is: 1,375,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,388.78 : 2,501,010.90 = 996,626.84 : x
  2. Step 2: Convert to fraction form
    1,812,388.78/2,501,010.90 = 996,626.84/x
  3. Step 3: Cross multiply
    1,812,388.78x = 2,501,010.90 × 996,626.84
  4. Step 4: Simplify right side
    1,812,388.78x = 2,492,574,590,072.56
  5. Step 5: Solve for x
    x = 2,492,574,590,072.56/1,812,388.78
  6. Step 6: Final answer
    x = 1,375,297.96

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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.