Home / 1,511,131.86-2,266,863.86-753,164.13

Finding the Fourth Proportional to 1,511,131.86, 2,266,863.86 and 753,164.13

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Solution

The fourth proportional to 1,511,131.86, 2,266,863.86 and 753,164.13 is: 1,129,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,131.86 : 2,266,863.86 = 753,164.13 : x
  2. Step 2: Convert to fraction form
    1,511,131.86/2,266,863.86 = 753,164.13/x
  3. Step 3: Cross multiply
    1,511,131.86x = 2,266,863.86 × 753,164.13
  4. Step 4: Simplify right side
    1,511,131.86x = 1,707,320,557,328.99
  5. Step 5: Solve for x
    x = 1,707,320,557,328.99/1,511,131.86
  6. Step 6: Final answer
    x = 1,129,828.97

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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.