Home / 1,489,325.70-2,233,940.99-478,443.54

Finding the Fourth Proportional to 1,489,325.70, 2,233,940.99 and 478,443.54

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Solution

The fourth proportional to 1,489,325.70, 2,233,940.99 and 478,443.54 is: 717,650.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,325.70 : 2,233,940.99 = 478,443.54 : x
  2. Step 2: Convert to fraction form
    1,489,325.70/2,233,940.99 = 478,443.54/x
  3. Step 3: Cross multiply
    1,489,325.70x = 2,233,940.99 × 478,443.54
  4. Step 4: Simplify right side
    1,489,325.70x = 1,068,814,635,406.70
  5. Step 5: Solve for x
    x = 1,068,814,635,406.70/1,489,325.70
  6. Step 6: Final answer
    x = 717,650.03

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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.