Home / 1,008,098.30-1,512,147.45-871,240.70

Finding the Fourth Proportional to 1,008,098.30, 1,512,147.45 and 871,240.70

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Solution

The fourth proportional to 1,008,098.30, 1,512,147.45 and 871,240.70 is: 1,306,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,098.30 : 1,512,147.45 = 871,240.70 : x
  2. Step 2: Convert to fraction form
    1,008,098.30/1,512,147.45 = 871,240.70/x
  3. Step 3: Cross multiply
    1,008,098.30x = 1,512,147.45 × 871,240.70
  4. Step 4: Simplify right side
    1,008,098.30x = 1,317,444,402,841.21
  5. Step 5: Solve for x
    x = 1,317,444,402,841.21/1,008,098.30
  6. Step 6: Final answer
    x = 1,306,861.05

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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.