Home / 1,531,072.48-2,112,844.08-851,994.40

Finding the Fourth Proportional to 1,531,072.48, 2,112,844.08 and 851,994.40

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Solution

The fourth proportional to 1,531,072.48, 2,112,844.08 and 851,994.40 is: 1,175,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,072.48 : 2,112,844.08 = 851,994.40 : x
  2. Step 2: Convert to fraction form
    1,531,072.48/2,112,844.08 = 851,994.40/x
  3. Step 3: Cross multiply
    1,531,072.48x = 2,112,844.08 × 851,994.40
  4. Step 4: Simplify right side
    1,531,072.48x = 1,800,131,324,233.15
  5. Step 5: Solve for x
    x = 1,800,131,324,233.15/1,531,072.48
  6. Step 6: Final answer
    x = 1,175,732.27

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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.