Home / 1,322,601.20-1,984,463.40-722,861.72

Finding the Fourth Proportional to 1,322,601.20, 1,984,463.40 and 722,861.72

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Solution

The fourth proportional to 1,322,601.20, 1,984,463.40 and 722,861.72 is: 1,084,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,601.20 : 1,984,463.40 = 722,861.72 : x
  2. Step 2: Convert to fraction form
    1,322,601.20/1,984,463.40 = 722,861.72/x
  3. Step 3: Cross multiply
    1,322,601.20x = 1,984,463.40 × 722,861.72
  4. Step 4: Simplify right side
    1,322,601.20x = 1,434,492,626,601.05
  5. Step 5: Solve for x
    x = 1,434,492,626,601.05/1,322,601.20
  6. Step 6: Final answer
    x = 1,084,599.52

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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.