Home / 1,390,835.28-2,086,149.24-444,306

Finding the Fourth Proportional to 1,390,835.28, 2,086,149.24 and 444,306

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Solution

The fourth proportional to 1,390,835.28, 2,086,149.24 and 444,306 is: 666,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,835.28 : 2,086,149.24 = 444,306 : x
  2. Step 2: Convert to fraction form
    1,390,835.28/2,086,149.24 = 444,306/x
  3. Step 3: Cross multiply
    1,390,835.28x = 2,086,149.24 × 444,306
  4. Step 4: Simplify right side
    1,390,835.28x = 926,888,624,227.44
  5. Step 5: Solve for x
    x = 926,888,624,227.44/1,390,835.28
  6. Step 6: Final answer
    x = 666,425.88

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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.