Home / 1,531,974.47-2,114,107.49-843,632.42

Finding the Fourth Proportional to 1,531,974.47, 2,114,107.49 and 843,632.42

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Solution

The fourth proportional to 1,531,974.47, 2,114,107.49 and 843,632.42 is: 1,164,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,974.47 : 2,114,107.49 = 843,632.42 : x
  2. Step 2: Convert to fraction form
    1,531,974.47/2,114,107.49 = 843,632.42/x
  3. Step 3: Cross multiply
    1,531,974.47x = 2,114,107.49 × 843,632.42
  4. Step 4: Simplify right side
    1,531,974.47x = 1,783,529,609,467.37
  5. Step 5: Solve for x
    x = 1,783,529,609,467.37/1,531,974.47
  6. Step 6: Final answer
    x = 1,164,203.22

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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.