Home / 1,310,514.26-1,965,769.95-412,034.54

Finding the Fourth Proportional to 1,310,514.26, 1,965,769.95 and 412,034.54

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Solution

The fourth proportional to 1,310,514.26, 1,965,769.95 and 412,034.54 is: 618,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,514.26 : 1,965,769.95 = 412,034.54 : x
  2. Step 2: Convert to fraction form
    1,310,514.26/1,965,769.95 = 412,034.54/x
  3. Step 3: Cross multiply
    1,310,514.26x = 1,965,769.95 × 412,034.54
  4. Step 4: Simplify right side
    1,310,514.26x = 809,965,117,094.07
  5. Step 5: Solve for x
    x = 809,965,117,094.07/1,310,514.26
  6. Step 6: Final answer
    x = 618,051.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.