Home / 1,129,920.90-1,694,884.14-276,996.30

Finding the Fourth Proportional to 1,129,920.90, 1,694,884.14 and 276,996.30

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Solution

The fourth proportional to 1,129,920.90, 1,694,884.14 and 276,996.30 is: 415,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,920.90 : 1,694,884.14 = 276,996.30 : x
  2. Step 2: Convert to fraction form
    1,129,920.90/1,694,884.14 = 276,996.30/x
  3. Step 3: Cross multiply
    1,129,920.90x = 1,694,884.14 × 276,996.30
  4. Step 4: Simplify right side
    1,129,920.90x = 469,476,635,708.68
  5. Step 5: Solve for x
    x = 469,476,635,708.68/1,129,920.90
  6. Step 6: Final answer
    x = 415,495.13

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Double scale
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Similar ratio
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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.