Home / 1,343,991.84-2,016,381.48-397,387.20

Finding the Fourth Proportional to 1,343,991.84, 2,016,381.48 and 397,387.20

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Solution

The fourth proportional to 1,343,991.84, 2,016,381.48 and 397,387.20 is: 596,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,991.84 : 2,016,381.48 = 397,387.20 : x
  2. Step 2: Convert to fraction form
    1,343,991.84/2,016,381.48 = 397,387.20/x
  3. Step 3: Cross multiply
    1,343,991.84x = 2,016,381.48 × 397,387.20
  4. Step 4: Simplify right side
    1,343,991.84x = 801,284,190,469.06
  5. Step 5: Solve for x
    x = 801,284,190,469.06/1,343,991.84
  6. Step 6: Final answer
    x = 596,197.21

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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.