Home / 1,072,211.72-1,608,318.54-324,258.44

Finding the Fourth Proportional to 1,072,211.72, 1,608,318.54 and 324,258.44

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Solution

The fourth proportional to 1,072,211.72, 1,608,318.54 and 324,258.44 is: 486,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,211.72 : 1,608,318.54 = 324,258.44 : x
  2. Step 2: Convert to fraction form
    1,072,211.72/1,608,318.54 = 324,258.44/x
  3. Step 3: Cross multiply
    1,072,211.72x = 1,608,318.54 × 324,258.44
  4. Step 4: Simplify right side
    1,072,211.72x = 521,510,860,803.48
  5. Step 5: Solve for x
    x = 521,510,860,803.48/1,072,211.72
  6. Step 6: Final answer
    x = 486,387.95

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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.