Home / 1,138,212.82-1,707,504.54-531,607.74

Finding the Fourth Proportional to 1,138,212.82, 1,707,504.54 and 531,607.74

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Solution

The fourth proportional to 1,138,212.82, 1,707,504.54 and 531,607.74 is: 797,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,212.82 : 1,707,504.54 = 531,607.74 : x
  2. Step 2: Convert to fraction form
    1,138,212.82/1,707,504.54 = 531,607.74/x
  3. Step 3: Cross multiply
    1,138,212.82x = 1,707,504.54 × 531,607.74
  4. Step 4: Simplify right side
    1,138,212.82x = 907,722,629,549.14
  5. Step 5: Solve for x
    x = 907,722,629,549.14/1,138,212.82
  6. Step 6: Final answer
    x = 797,498.16

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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.