Home / 1,302,016.18-1,945,105.19-842,866.91

Finding the Fourth Proportional to 1,302,016.18, 1,945,105.19 and 842,866.91

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Solution

The fourth proportional to 1,302,016.18, 1,945,105.19 and 842,866.91 is: 1,259,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,016.18 : 1,945,105.19 = 842,866.91 : x
  2. Step 2: Convert to fraction form
    1,302,016.18/1,945,105.19 = 842,866.91/x
  3. Step 3: Cross multiply
    1,302,016.18x = 1,945,105.19 × 842,866.91
  4. Step 4: Simplify right side
    1,302,016.18x = 1,639,464,801,120.26
  5. Step 5: Solve for x
    x = 1,639,464,801,120.26/1,302,016.18
  6. Step 6: Final answer
    x = 1,259,173.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.