Home / 1,153,428.76-1,726,736.28-851,906.80

Finding the Fourth Proportional to 1,153,428.76, 1,726,736.28 and 851,906.80

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Solution

The fourth proportional to 1,153,428.76, 1,726,736.28 and 851,906.80 is: 1,275,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,428.76 : 1,726,736.28 = 851,906.80 : x
  2. Step 2: Convert to fraction form
    1,153,428.76/1,726,736.28 = 851,906.80/x
  3. Step 3: Cross multiply
    1,153,428.76x = 1,726,736.28 × 851,906.80
  4. Step 4: Simplify right side
    1,153,428.76x = 1,471,018,378,738.70
  5. Step 5: Solve for x
    x = 1,471,018,378,738.70/1,153,428.76
  6. Step 6: Final answer
    x = 1,275,343.94

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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.