Home / 1,645,760.40-2,270,234.52-957,354.80

Finding the Fourth Proportional to 1,645,760.40, 2,270,234.52 and 957,354.80

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Solution

The fourth proportional to 1,645,760.40, 2,270,234.52 and 957,354.80 is: 1,320,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,760.40 : 2,270,234.52 = 957,354.80 : x
  2. Step 2: Convert to fraction form
    1,645,760.40/2,270,234.52 = 957,354.80/x
  3. Step 3: Cross multiply
    1,645,760.40x = 2,270,234.52 × 957,354.80
  4. Step 4: Simplify right side
    1,645,760.40x = 2,173,419,914,847.70
  5. Step 5: Solve for x
    x = 2,173,419,914,847.70/1,645,760.40
  6. Step 6: Final answer
    x = 1,320,617.46

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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.