Home / 1,087,781.67-1,631,211.19-518,504.22

Finding the Fourth Proportional to 1,087,781.67, 1,631,211.19 and 518,504.22

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Solution

The fourth proportional to 1,087,781.67, 1,631,211.19 and 518,504.22 is: 777,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,781.67 : 1,631,211.19 = 518,504.22 : x
  2. Step 2: Convert to fraction form
    1,087,781.67/1,631,211.19 = 518,504.22/x
  3. Step 3: Cross multiply
    1,087,781.67x = 1,631,211.19 × 518,504.22
  4. Step 4: Simplify right side
    1,087,781.67x = 845,789,884,429.96
  5. Step 5: Solve for x
    x = 845,789,884,429.96/1,087,781.67
  6. Step 6: Final answer
    x = 777,536.44

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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.