Home / 1,206,811.20-1,810,188.73-607,611.46

Finding the Fourth Proportional to 1,206,811.20, 1,810,188.73 and 607,611.46

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Solution

The fourth proportional to 1,206,811.20, 1,810,188.73 and 607,611.46 is: 911,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,811.20 : 1,810,188.73 = 607,611.46 : x
  2. Step 2: Convert to fraction form
    1,206,811.20/1,810,188.73 = 607,611.46/x
  3. Step 3: Cross multiply
    1,206,811.20x = 1,810,188.73 × 607,611.46
  4. Step 4: Simplify right side
    1,206,811.20x = 1,099,891,417,110.85
  5. Step 5: Solve for x
    x = 1,099,891,417,110.85/1,206,811.20
  6. Step 6: Final answer
    x = 911,403.06

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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.