Home / 1,416,145.10-2,123,922.45-518,009.90

Finding the Fourth Proportional to 1,416,145.10, 2,123,922.45 and 518,009.90

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Solution

The fourth proportional to 1,416,145.10, 2,123,922.45 and 518,009.90 is: 776,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,145.10 : 2,123,922.45 = 518,009.90 : x
  2. Step 2: Convert to fraction form
    1,416,145.10/2,123,922.45 = 518,009.90/x
  3. Step 3: Cross multiply
    1,416,145.10x = 2,123,922.45 × 518,009.90
  4. Step 4: Simplify right side
    1,416,145.10x = 1,100,212,855,932.26
  5. Step 5: Solve for x
    x = 1,100,212,855,932.26/1,416,145.10
  6. Step 6: Final answer
    x = 776,906.87

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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.