Home / 1,410,025.30-2,112,471.87-1,258,859.86

Finding the Fourth Proportional to 1,410,025.30, 2,112,471.87 and 1,258,859.86

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Solution

The fourth proportional to 1,410,025.30, 2,112,471.87 and 1,258,859.86 is: 1,885,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,025.30 : 2,112,471.87 = 1,258,859.86 : x
  2. Step 2: Convert to fraction form
    1,410,025.30/2,112,471.87 = 1,258,859.86/x
  3. Step 3: Cross multiply
    1,410,025.30x = 2,112,471.87 × 1,258,859.86
  4. Step 4: Simplify right side
    1,410,025.30x = 2,659,306,042,522.14
  5. Step 5: Solve for x
    x = 2,659,306,042,522.14/1,410,025.30
  6. Step 6: Final answer
    x = 1,885,998.81

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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.