Home / 1,015,919.20-1,523,830.20-341,934.40

Finding the Fourth Proportional to 1,015,919.20, 1,523,830.20 and 341,934.40

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Solution

The fourth proportional to 1,015,919.20, 1,523,830.20 and 341,934.40 is: 512,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,919.20 : 1,523,830.20 = 341,934.40 : x
  2. Step 2: Convert to fraction form
    1,015,919.20/1,523,830.20 = 341,934.40/x
  3. Step 3: Cross multiply
    1,015,919.20x = 1,523,830.20 × 341,934.40
  4. Step 4: Simplify right side
    1,015,919.20x = 521,049,965,138.88
  5. Step 5: Solve for x
    x = 521,049,965,138.88/1,015,919.20
  6. Step 6: Final answer
    x = 512,885.24

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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.