Home / 1,493,284.23-2,239,625.03-428,040.27

Finding the Fourth Proportional to 1,493,284.23, 2,239,625.03 and 428,040.27

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Solution

The fourth proportional to 1,493,284.23, 2,239,625.03 and 428,040.27 is: 641,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,284.23 : 2,239,625.03 = 428,040.27 : x
  2. Step 2: Convert to fraction form
    1,493,284.23/2,239,625.03 = 428,040.27/x
  3. Step 3: Cross multiply
    1,493,284.23x = 2,239,625.03 × 428,040.27
  4. Step 4: Simplify right side
    1,493,284.23x = 958,649,700,399.76
  5. Step 5: Solve for x
    x = 958,649,700,399.76/1,493,284.23
  6. Step 6: Final answer
    x = 641,974.03

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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.