Home / 1,467,287.20-2,200,930.80-988,990.30

Finding the Fourth Proportional to 1,467,287.20, 2,200,930.80 and 988,990.30

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Solution

The fourth proportional to 1,467,287.20, 2,200,930.80 and 988,990.30 is: 1,483,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,287.20 : 2,200,930.80 = 988,990.30 : x
  2. Step 2: Convert to fraction form
    1,467,287.20/2,200,930.80 = 988,990.30/x
  3. Step 3: Cross multiply
    1,467,287.20x = 2,200,930.80 × 988,990.30
  4. Step 4: Simplify right side
    1,467,287.20x = 2,176,699,212,171.24
  5. Step 5: Solve for x
    x = 2,176,699,212,171.24/1,467,287.20
  6. Step 6: Final answer
    x = 1,483,485.45

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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.