Home / 1,313,843.40-1,970,152.56-682,587.72

Finding the Fourth Proportional to 1,313,843.40, 1,970,152.56 and 682,587.72

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Solution

The fourth proportional to 1,313,843.40, 1,970,152.56 and 682,587.72 is: 1,023,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,843.40 : 1,970,152.56 = 682,587.72 : x
  2. Step 2: Convert to fraction form
    1,313,843.40/1,970,152.56 = 682,587.72/x
  3. Step 3: Cross multiply
    1,313,843.40x = 1,970,152.56 × 682,587.72
  4. Step 4: Simplify right side
    1,313,843.40x = 1,344,801,943,982.56
  5. Step 5: Solve for x
    x = 1,344,801,943,982.56/1,313,843.40
  6. Step 6: Final answer
    x = 1,023,563.34

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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.