Home / 1,192,039.18-1,644,990.78-648,170.22

Finding the Fourth Proportional to 1,192,039.18, 1,644,990.78 and 648,170.22

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Solution

The fourth proportional to 1,192,039.18, 1,644,990.78 and 648,170.22 is: 894,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,039.18 : 1,644,990.78 = 648,170.22 : x
  2. Step 2: Convert to fraction form
    1,192,039.18/1,644,990.78 = 648,170.22/x
  3. Step 3: Cross multiply
    1,192,039.18x = 1,644,990.78 × 648,170.22
  4. Step 4: Simplify right side
    1,192,039.18x = 1,066,234,035,770.57
  5. Step 5: Solve for x
    x = 1,066,234,035,770.57/1,192,039.18
  6. Step 6: Final answer
    x = 894,462.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.