Home / 1,344,218.80-2,016,721.84-397,614.72

Finding the Fourth Proportional to 1,344,218.80, 2,016,721.84 and 397,614.72

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Solution

The fourth proportional to 1,344,218.80, 2,016,721.84 and 397,614.72 is: 596,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,218.80 : 2,016,721.84 = 397,614.72 : x
  2. Step 2: Convert to fraction form
    1,344,218.80/2,016,721.84 = 397,614.72/x
  3. Step 3: Cross multiply
    1,344,218.80x = 2,016,721.84 × 397,614.72
  4. Step 4: Simplify right side
    1,344,218.80x = 801,878,289,729.49
  5. Step 5: Solve for x
    x = 801,878,289,729.49/1,344,218.80
  6. Step 6: Final answer
    x = 596,538.52

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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.