Home / 1,074,768.20-1,482,173.22-666,936.20

Finding the Fourth Proportional to 1,074,768.20, 1,482,173.22 and 666,936.20

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Solution

The fourth proportional to 1,074,768.20, 1,482,173.22 and 666,936.20 is: 919,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,768.20 : 1,482,173.22 = 666,936.20 : x
  2. Step 2: Convert to fraction form
    1,074,768.20/1,482,173.22 = 666,936.20/x
  3. Step 3: Cross multiply
    1,074,768.20x = 1,482,173.22 × 666,936.20
  4. Step 4: Simplify right side
    1,074,768.20x = 988,514,975,088.56
  5. Step 5: Solve for x
    x = 988,514,975,088.56/1,074,768.20
  6. Step 6: Final answer
    x = 919,747.14

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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.