Home / 1,680,553.20-2,518,059.60-969,340.80

Finding the Fourth Proportional to 1,680,553.20, 2,518,059.60 and 969,340.80

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Solution

The fourth proportional to 1,680,553.20, 2,518,059.60 and 969,340.80 is: 1,452,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,553.20 : 2,518,059.60 = 969,340.80 : x
  2. Step 2: Convert to fraction form
    1,680,553.20/2,518,059.60 = 969,340.80/x
  3. Step 3: Cross multiply
    1,680,553.20x = 2,518,059.60 × 969,340.80
  4. Step 4: Simplify right side
    1,680,553.20x = 2,440,857,907,111.68
  5. Step 5: Solve for x
    x = 2,440,857,907,111.68/1,680,553.20
  6. Step 6: Final answer
    x = 1,452,413.35

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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.