Home / 1,126,104.26-1,689,155.91-452,185.34

Finding the Fourth Proportional to 1,126,104.26, 1,689,155.91 and 452,185.34

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Solution

The fourth proportional to 1,126,104.26, 1,689,155.91 and 452,185.34 is: 678,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,104.26 : 1,689,155.91 = 452,185.34 : x
  2. Step 2: Convert to fraction form
    1,126,104.26/1,689,155.91 = 452,185.34/x
  3. Step 3: Cross multiply
    1,126,104.26x = 1,689,155.91 × 452,185.34
  4. Step 4: Simplify right side
    1,126,104.26x = 763,811,531,030.58
  5. Step 5: Solve for x
    x = 763,811,531,030.58/1,126,104.26
  6. Step 6: Final answer
    x = 678,277.81

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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.