Home / 1,126,485.90-1,689,714.27-273,564.54

Finding the Fourth Proportional to 1,126,485.90, 1,689,714.27 and 273,564.54

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Solution

The fourth proportional to 1,126,485.90, 1,689,714.27 and 273,564.54 is: 410,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,485.90 : 1,689,714.27 = 273,564.54 : x
  2. Step 2: Convert to fraction form
    1,126,485.90/1,689,714.27 = 273,564.54/x
  3. Step 3: Cross multiply
    1,126,485.90x = 1,689,714.27 × 273,564.54
  4. Step 4: Simplify right side
    1,126,485.90x = 462,245,907,003.99
  5. Step 5: Solve for x
    x = 462,245,907,003.99/1,126,485.90
  6. Step 6: Final answer
    x = 410,343.27

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Half scale
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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.