Home / 4,280,233.44-6,420,575.88-1,085,387.22

Finding the Fourth Proportional to 4,280,233.44, 6,420,575.88 and 1,085,387.22

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Solution

The fourth proportional to 4,280,233.44, 6,420,575.88 and 1,085,387.22 is: 1,628,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,233.44 : 6,420,575.88 = 1,085,387.22 : x
  2. Step 2: Convert to fraction form
    4,280,233.44/6,420,575.88 = 1,085,387.22/x
  3. Step 3: Cross multiply
    4,280,233.44x = 6,420,575.88 × 1,085,387.22
  4. Step 4: Simplify right side
    4,280,233.44x = 6,968,811,005,192.25
  5. Step 5: Solve for x
    x = 6,968,811,005,192.25/4,280,233.44
  6. Step 6: Final answer
    x = 1,628,138.07

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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.