Home / 836,121.15-1,253,992.59-386,597.07

Finding the Fourth Proportional to 836,121.15, 1,253,992.59 and 386,597.07

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Solution

The fourth proportional to 836,121.15, 1,253,992.59 and 386,597.07 is: 579,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,121.15 : 1,253,992.59 = 386,597.07 : x
  2. Step 2: Convert to fraction form
    836,121.15/1,253,992.59 = 386,597.07/x
  3. Step 3: Cross multiply
    836,121.15x = 1,253,992.59 × 386,597.07
  4. Step 4: Simplify right side
    836,121.15x = 484,789,861,095.71
  5. Step 5: Solve for x
    x = 484,789,861,095.71/836,121.15
  6. Step 6: Final answer
    x = 579,808.15

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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.