Home / 1,522,861.32-2,284,580.34-612,114.78

Finding the Fourth Proportional to 1,522,861.32, 2,284,580.34 and 612,114.78

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Solution

The fourth proportional to 1,522,861.32, 2,284,580.34 and 612,114.78 is: 918,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,861.32 : 2,284,580.34 = 612,114.78 : x
  2. Step 2: Convert to fraction form
    1,522,861.32/2,284,580.34 = 612,114.78/x
  3. Step 3: Cross multiply
    1,522,861.32x = 2,284,580.34 × 612,114.78
  4. Step 4: Simplify right side
    1,522,861.32x = 1,398,425,392,211.43
  5. Step 5: Solve for x
    x = 1,398,425,392,211.43/1,522,861.32
  6. Step 6: Final answer
    x = 918,288.08

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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.