Home / 1,458,998.76-2,008,961.21-1,322,142.30

Finding the Fourth Proportional to 1,458,998.76, 2,008,961.21 and 1,322,142.30

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Solution

The fourth proportional to 1,458,998.76, 2,008,961.21 and 1,322,142.30 is: 1,820,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,998.76 : 2,008,961.21 = 1,322,142.30 : x
  2. Step 2: Convert to fraction form
    1,458,998.76/2,008,961.21 = 1,322,142.30/x
  3. Step 3: Cross multiply
    1,458,998.76x = 2,008,961.21 × 1,322,142.30
  4. Step 4: Simplify right side
    1,458,998.76x = 2,656,132,594,800.18
  5. Step 5: Solve for x
    x = 2,656,132,594,800.18/1,458,998.76
  6. Step 6: Final answer
    x = 1,820,517.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.