Home / 1,213,818.20-1,820,727.30-835,904.60

Finding the Fourth Proportional to 1,213,818.20, 1,820,727.30 and 835,904.60

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Solution

The fourth proportional to 1,213,818.20, 1,820,727.30 and 835,904.60 is: 1,253,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,818.20 : 1,820,727.30 = 835,904.60 : x
  2. Step 2: Convert to fraction form
    1,213,818.20/1,820,727.30 = 835,904.60/x
  3. Step 3: Cross multiply
    1,213,818.20x = 1,820,727.30 × 835,904.60
  4. Step 4: Simplify right side
    1,213,818.20x = 1,521,954,325,415.58
  5. Step 5: Solve for x
    x = 1,521,954,325,415.58/1,213,818.20
  6. Step 6: Final answer
    x = 1,253,856.90

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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.