Home / 1,416,144.60-2,123,921.70-518,009.40

Finding the Fourth Proportional to 1,416,144.60, 2,123,921.70 and 518,009.40

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Solution

The fourth proportional to 1,416,144.60, 2,123,921.70 and 518,009.40 is: 776,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,144.60 : 2,123,921.70 = 518,009.40 : x
  2. Step 2: Convert to fraction form
    1,416,144.60/2,123,921.70 = 518,009.40/x
  3. Step 3: Cross multiply
    1,416,144.60x = 2,123,921.70 × 518,009.40
  4. Step 4: Simplify right side
    1,416,144.60x = 1,100,211,405,463.98
  5. Step 5: Solve for x
    x = 1,100,211,405,463.98/1,416,144.60
  6. Step 6: Final answer
    x = 776,906.12

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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.