Home / 1,165,042.38-1,606,930.11-777,662.44

Finding the Fourth Proportional to 1,165,042.38, 1,606,930.11 and 777,662.44

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Solution

The fourth proportional to 1,165,042.38, 1,606,930.11 and 777,662.44 is: 1,072,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,042.38 : 1,606,930.11 = 777,662.44 : x
  2. Step 2: Convert to fraction form
    1,165,042.38/1,606,930.11 = 777,662.44/x
  3. Step 3: Cross multiply
    1,165,042.38x = 1,606,930.11 × 777,662.44
  4. Step 4: Simplify right side
    1,165,042.38x = 1,249,649,190,252.07
  5. Step 5: Solve for x
    x = 1,249,649,190,252.07/1,165,042.38
  6. Step 6: Final answer
    x = 1,072,621.23

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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.