Home / 1,405,343.70-2,108,999.70-607,198.05

Finding the Fourth Proportional to 1,405,343.70, 2,108,999.70 and 607,198.05

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Solution

The fourth proportional to 1,405,343.70, 2,108,999.70 and 607,198.05 is: 911,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,343.70 : 2,108,999.70 = 607,198.05 : x
  2. Step 2: Convert to fraction form
    1,405,343.70/2,108,999.70 = 607,198.05/x
  3. Step 3: Cross multiply
    1,405,343.70x = 2,108,999.70 × 607,198.05
  4. Step 4: Simplify right side
    1,405,343.70x = 1,280,580,505,290.59
  5. Step 5: Solve for x
    x = 1,280,580,505,290.59/1,405,343.70
  6. Step 6: Final answer
    x = 911,222.29

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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.