Home / 1,241,620.22-1,713,282.14-718,420.77

Finding the Fourth Proportional to 1,241,620.22, 1,713,282.14 and 718,420.77

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Solution

The fourth proportional to 1,241,620.22, 1,713,282.14 and 718,420.77 is: 991,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,620.22 : 1,713,282.14 = 718,420.77 : x
  2. Step 2: Convert to fraction form
    1,241,620.22/1,713,282.14 = 718,420.77/x
  3. Step 3: Cross multiply
    1,241,620.22x = 1,713,282.14 × 718,420.77
  4. Step 4: Simplify right side
    1,241,620.22x = 1,230,857,476,042.10
  5. Step 5: Solve for x
    x = 1,230,857,476,042.10/1,241,620.22
  6. Step 6: Final answer
    x = 991,331.69

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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.