Home / 1,131,691.23-1,561,460.52-718,077.19

Finding the Fourth Proportional to 1,131,691.23, 1,561,460.52 and 718,077.19

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Solution

The fourth proportional to 1,131,691.23, 1,561,460.52 and 718,077.19 is: 990,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,691.23 : 1,561,460.52 = 718,077.19 : x
  2. Step 2: Convert to fraction form
    1,131,691.23/1,561,460.52 = 718,077.19/x
  3. Step 3: Cross multiply
    1,131,691.23x = 1,561,460.52 × 718,077.19
  4. Step 4: Simplify right side
    1,131,691.23x = 1,121,249,178,907.15
  5. Step 5: Solve for x
    x = 1,121,249,178,907.15/1,131,691.23
  6. Step 6: Final answer
    x = 990,773.06

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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.