Home / 1,195,276.20-1,793,934.90-485,813.40

Finding the Fourth Proportional to 1,195,276.20, 1,793,934.90 and 485,813.40

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Solution

The fourth proportional to 1,195,276.20, 1,793,934.90 and 485,813.40 is: 729,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,276.20 : 1,793,934.90 = 485,813.40 : x
  2. Step 2: Convert to fraction form
    1,195,276.20/1,793,934.90 = 485,813.40/x
  3. Step 3: Cross multiply
    1,195,276.20x = 1,793,934.90 × 485,813.40
  4. Step 4: Simplify right side
    1,195,276.20x = 871,517,613,147.66
  5. Step 5: Solve for x
    x = 871,517,613,147.66/1,195,276.20
  6. Step 6: Final answer
    x = 729,134.92

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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.