Home / 1,394,064.64-2,091,369.28-447,362.56

Finding the Fourth Proportional to 1,394,064.64, 2,091,369.28 and 447,362.56

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Solution

The fourth proportional to 1,394,064.64, 2,091,369.28 and 447,362.56 is: 671,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,064.64 : 2,091,369.28 = 447,362.56 : x
  2. Step 2: Convert to fraction form
    1,394,064.64/2,091,369.28 = 447,362.56/x
  3. Step 3: Cross multiply
    1,394,064.64x = 2,091,369.28 × 447,362.56
  4. Step 4: Simplify right side
    1,394,064.64x = 935,600,315,006.16
  5. Step 5: Solve for x
    x = 935,600,315,006.16/1,394,064.64
  6. Step 6: Final answer
    x = 671,131.23

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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.