Home / 1,267,016.20-1,900,508.45-307,479.75

Finding the Fourth Proportional to 1,267,016.20, 1,900,508.45 and 307,479.75

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Solution

The fourth proportional to 1,267,016.20, 1,900,508.45 and 307,479.75 is: 461,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,016.20 : 1,900,508.45 = 307,479.75 : x
  2. Step 2: Convert to fraction form
    1,267,016.20/1,900,508.45 = 307,479.75/x
  3. Step 3: Cross multiply
    1,267,016.20x = 1,900,508.45 × 307,479.75
  4. Step 4: Simplify right side
    1,267,016.20x = 584,367,861,541.49
  5. Step 5: Solve for x
    x = 584,367,861,541.49/1,267,016.20
  6. Step 6: Final answer
    x = 461,215.78

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1.5x scale

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.