Home / 1,081,415.40-1,622,215.40-282,695.68

Finding the Fourth Proportional to 1,081,415.40, 1,622,215.40 and 282,695.68

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Solution

The fourth proportional to 1,081,415.40, 1,622,215.40 and 282,695.68 is: 424,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,415.40 : 1,622,215.40 = 282,695.68 : x
  2. Step 2: Convert to fraction form
    1,081,415.40/1,622,215.40 = 282,695.68/x
  3. Step 3: Cross multiply
    1,081,415.40x = 1,622,215.40 × 282,695.68
  4. Step 4: Simplify right side
    1,081,415.40x = 458,593,285,609.47
  5. Step 5: Solve for x
    x = 458,593,285,609.47/1,081,415.40
  6. Step 6: Final answer
    x = 424,067.65

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Double scale
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1.5x scale

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.