Home / 1,245,238.29-1,707,220.13-1,222,537.85

Finding the Fourth Proportional to 1,245,238.29, 1,707,220.13 and 1,222,537.85

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Solution

The fourth proportional to 1,245,238.29, 1,707,220.13 and 1,222,537.85 is: 1,676,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,238.29 : 1,707,220.13 = 1,222,537.85 : x
  2. Step 2: Convert to fraction form
    1,245,238.29/1,707,220.13 = 1,222,537.85/x
  3. Step 3: Cross multiply
    1,245,238.29x = 1,707,220.13 × 1,222,537.85
  4. Step 4: Simplify right side
    1,245,238.29x = 2,087,141,212,558.13
  5. Step 5: Solve for x
    x = 2,087,141,212,558.13/1,245,238.29
  6. Step 6: Final answer
    x = 1,676,097.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.