Home / 1,098,860.97-1,648,025.77-300,146.70

Finding the Fourth Proportional to 1,098,860.97, 1,648,025.77 and 300,146.70

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Solution

The fourth proportional to 1,098,860.97, 1,648,025.77 and 300,146.70 is: 450,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,860.97 : 1,648,025.77 = 300,146.70 : x
  2. Step 2: Convert to fraction form
    1,098,860.97/1,648,025.77 = 300,146.70/x
  3. Step 3: Cross multiply
    1,098,860.97x = 1,648,025.77 × 300,146.70
  4. Step 4: Simplify right side
    1,098,860.97x = 494,649,496,380.46
  5. Step 5: Solve for x
    x = 494,649,496,380.46/1,098,860.97
  6. Step 6: Final answer
    x = 450,147.48

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Double scale
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1.5x scale

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.