Home / 890,260.11-1,336,724.24-770,685.89

Finding the Fourth Proportional to 890,260.11, 1,336,724.24 and 770,685.89

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Solution

The fourth proportional to 890,260.11, 1,336,724.24 and 770,685.89 is: 1,157,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,260.11 : 1,336,724.24 = 770,685.89 : x
  2. Step 2: Convert to fraction form
    890,260.11/1,336,724.24 = 770,685.89/x
  3. Step 3: Cross multiply
    890,260.11x = 1,336,724.24 × 770,685.89
  4. Step 4: Simplify right side
    890,260.11x = 1,030,194,500,051.92
  5. Step 5: Solve for x
    x = 1,030,194,500,051.92/890,260.11
  6. Step 6: Final answer
    x = 1,157,183.71

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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.