Home / 1,150,428.76-1,725,640.27-340,876.22

Finding the Fourth Proportional to 1,150,428.76, 1,725,640.27 and 340,876.22

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Solution

The fourth proportional to 1,150,428.76, 1,725,640.27 and 340,876.22 is: 511,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,428.76 : 1,725,640.27 = 340,876.22 : x
  2. Step 2: Convert to fraction form
    1,150,428.76/1,725,640.27 = 340,876.22/x
  3. Step 3: Cross multiply
    1,150,428.76x = 1,725,640.27 × 340,876.22
  4. Step 4: Simplify right side
    1,150,428.76x = 588,229,722,836.99
  5. Step 5: Solve for x
    x = 588,229,722,836.99/1,150,428.76
  6. Step 6: Final answer
    x = 511,313.47

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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.