Home / 1,467,861.20-2,201,791.80-989,564.30

Finding the Fourth Proportional to 1,467,861.20, 2,201,791.80 and 989,564.30

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Solution

The fourth proportional to 1,467,861.20, 2,201,791.80 and 989,564.30 is: 1,484,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,861.20 : 2,201,791.80 = 989,564.30 : x
  2. Step 2: Convert to fraction form
    1,467,861.20/2,201,791.80 = 989,564.30/x
  3. Step 3: Cross multiply
    1,467,861.20x = 2,201,791.80 × 989,564.30
  4. Step 4: Simplify right side
    1,467,861.20x = 2,178,814,561,312.74
  5. Step 5: Solve for x
    x = 2,178,814,561,312.74/1,467,861.20
  6. Step 6: Final answer
    x = 1,484,346.45

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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.