Home / 1,378,481.90-2,068,003.10-479,993.70

Finding the Fourth Proportional to 1,378,481.90, 2,068,003.10 and 479,993.70

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Solution

The fourth proportional to 1,378,481.90, 2,068,003.10 and 479,993.70 is: 720,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,481.90 : 2,068,003.10 = 479,993.70 : x
  2. Step 2: Convert to fraction form
    1,378,481.90/2,068,003.10 = 479,993.70/x
  3. Step 3: Cross multiply
    1,378,481.90x = 2,068,003.10 × 479,993.70
  4. Step 4: Simplify right side
    1,378,481.90x = 992,628,457,180.50
  5. Step 5: Solve for x
    x = 992,628,457,180.50/1,378,481.90
  6. Step 6: Final answer
    x = 720,088.14

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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.