Home / 1,405,342.20-2,108,997.45-607,196.55

Finding the Fourth Proportional to 1,405,342.20, 2,108,997.45 and 607,196.55

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Solution

The fourth proportional to 1,405,342.20, 2,108,997.45 and 607,196.55 is: 911,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,342.20 : 2,108,997.45 = 607,196.55 : x
  2. Step 2: Convert to fraction form
    1,405,342.20/2,108,997.45 = 607,196.55/x
  3. Step 3: Cross multiply
    1,405,342.20x = 2,108,997.45 × 607,196.55
  4. Step 4: Simplify right side
    1,405,342.20x = 1,280,575,975,598.80
  5. Step 5: Solve for x
    x = 1,280,575,975,598.80/1,405,342.20
  6. Step 6: Final answer
    x = 911,220.04

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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.