Home / 1,680,880.68-2,319,724.94-955,795.86

Finding the Fourth Proportional to 1,680,880.68, 2,319,724.94 and 955,795.86

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Solution

The fourth proportional to 1,680,880.68, 2,319,724.94 and 955,795.86 is: 1,319,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,880.68 : 2,319,724.94 = 955,795.86 : x
  2. Step 2: Convert to fraction form
    1,680,880.68/2,319,724.94 = 955,795.86/x
  3. Step 3: Cross multiply
    1,680,880.68x = 2,319,724.94 × 955,795.86
  4. Step 4: Simplify right side
    1,680,880.68x = 2,217,183,493,990.75
  5. Step 5: Solve for x
    x = 2,217,183,493,990.75/1,680,880.68
  6. Step 6: Final answer
    x = 1,319,060.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.