Home / 1,180,914.78-1,629,256.16-715,918.62

Finding the Fourth Proportional to 1,180,914.78, 1,629,256.16 and 715,918.62

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Solution

The fourth proportional to 1,180,914.78, 1,629,256.16 and 715,918.62 is: 987,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,914.78 : 1,629,256.16 = 715,918.62 : x
  2. Step 2: Convert to fraction form
    1,180,914.78/1,629,256.16 = 715,918.62/x
  3. Step 3: Cross multiply
    1,180,914.78x = 1,629,256.16 × 715,918.62
  4. Step 4: Simplify right side
    1,180,914.78x = 1,166,414,818,114.11
  5. Step 5: Solve for x
    x = 1,166,414,818,114.11/1,180,914.78
  6. Step 6: Final answer
    x = 987,721.42

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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.