Home / 1,126,091.66-1,689,137.06-452,172.76

Finding the Fourth Proportional to 1,126,091.66, 1,689,137.06 and 452,172.76

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Solution

The fourth proportional to 1,126,091.66, 1,689,137.06 and 452,172.76 is: 678,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,091.66 : 1,689,137.06 = 452,172.76 : x
  2. Step 2: Convert to fraction form
    1,126,091.66/1,689,137.06 = 452,172.76/x
  3. Step 3: Cross multiply
    1,126,091.66x = 1,689,137.06 × 452,172.76
  4. Step 4: Simplify right side
    1,126,091.66x = 763,781,761,085.21
  5. Step 5: Solve for x
    x = 763,781,761,085.21/1,126,091.66
  6. Step 6: Final answer
    x = 678,258.97

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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.