Home / 1,645,205.10-2,469,265.65-970,442.70

Finding the Fourth Proportional to 1,645,205.10, 2,469,265.65 and 970,442.70

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Solution

The fourth proportional to 1,645,205.10, 2,469,265.65 and 970,442.70 is: 1,456,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,205.10 : 2,469,265.65 = 970,442.70 : x
  2. Step 2: Convert to fraction form
    1,645,205.10/2,469,265.65 = 970,442.70/x
  3. Step 3: Cross multiply
    1,645,205.10x = 2,469,265.65 × 970,442.70
  4. Step 4: Simplify right side
    1,645,205.10x = 2,396,280,824,403.26
  5. Step 5: Solve for x
    x = 2,396,280,824,403.26/1,645,205.10
  6. Step 6: Final answer
    x = 1,456,524.07

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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.