Home / 1,192,120.06-1,645,145.22-648,266.62

Finding the Fourth Proportional to 1,192,120.06, 1,645,145.22 and 648,266.62

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Solution

The fourth proportional to 1,192,120.06, 1,645,145.22 and 648,266.62 is: 894,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,120.06 : 1,645,145.22 = 648,266.62 : x
  2. Step 2: Convert to fraction form
    1,192,120.06/1,645,145.22 = 648,266.62/x
  3. Step 3: Cross multiply
    1,192,120.06x = 1,645,145.22 × 648,266.62
  4. Step 4: Simplify right side
    1,192,120.06x = 1,066,492,731,178.56
  5. Step 5: Solve for x
    x = 1,066,492,731,178.56/1,192,120.06
  6. Step 6: Final answer
    x = 894,618.56

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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.