Home / 1,015,912.20-1,523,819.70-341,927.40

Finding the Fourth Proportional to 1,015,912.20, 1,523,819.70 and 341,927.40

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Solution

The fourth proportional to 1,015,912.20, 1,523,819.70 and 341,927.40 is: 512,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,912.20 : 1,523,819.70 = 341,927.40 : x
  2. Step 2: Convert to fraction form
    1,015,912.20/1,523,819.70 = 341,927.40/x
  3. Step 3: Cross multiply
    1,015,912.20x = 1,523,819.70 × 341,927.40
  4. Step 4: Simplify right side
    1,015,912.20x = 521,035,708,089.78
  5. Step 5: Solve for x
    x = 521,035,708,089.78/1,015,912.20
  6. Step 6: Final answer
    x = 512,874.74

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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.