Home / 1,126,105.26-1,689,157.41-452,186.34

Finding the Fourth Proportional to 1,126,105.26, 1,689,157.41 and 452,186.34

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Solution

The fourth proportional to 1,126,105.26, 1,689,157.41 and 452,186.34 is: 678,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,105.26 : 1,689,157.41 = 452,186.34 : x
  2. Step 2: Convert to fraction form
    1,126,105.26/1,689,157.41 = 452,186.34/x
  3. Step 3: Cross multiply
    1,126,105.26x = 1,689,157.41 × 452,186.34
  4. Step 4: Simplify right side
    1,126,105.26x = 763,813,906,911.78
  5. Step 5: Solve for x
    x = 763,813,906,911.78/1,126,105.26
  6. Step 6: Final answer
    x = 678,279.32

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Double scale
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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.