Home / 1,008,051.30-1,512,076.95-871,193.70

Finding the Fourth Proportional to 1,008,051.30, 1,512,076.95 and 871,193.70

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Solution

The fourth proportional to 1,008,051.30, 1,512,076.95 and 871,193.70 is: 1,306,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,051.30 : 1,512,076.95 = 871,193.70 : x
  2. Step 2: Convert to fraction form
    1,008,051.30/1,512,076.95 = 871,193.70/x
  3. Step 3: Cross multiply
    1,008,051.30x = 1,512,076.95 × 871,193.70
  4. Step 4: Simplify right side
    1,008,051.30x = 1,317,311,912,755.21
  5. Step 5: Solve for x
    x = 1,317,311,912,755.21/1,008,051.30
  6. Step 6: Final answer
    x = 1,306,790.55

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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.