Home / 1,008,052.30-1,512,078.45-871,194.70

Finding the Fourth Proportional to 1,008,052.30, 1,512,078.45 and 871,194.70

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Solution

The fourth proportional to 1,008,052.30, 1,512,078.45 and 871,194.70 is: 1,306,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,052.30 : 1,512,078.45 = 871,194.70 : x
  2. Step 2: Convert to fraction form
    1,008,052.30/1,512,078.45 = 871,194.70/x
  3. Step 3: Cross multiply
    1,008,052.30x = 1,512,078.45 × 871,194.70
  4. Step 4: Simplify right side
    1,008,052.30x = 1,317,314,731,624.21
  5. Step 5: Solve for x
    x = 1,317,314,731,624.21/1,008,052.30
  6. Step 6: Final answer
    x = 1,306,792.05

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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.