Home / 1,000,101.87-1,500,391.55-326,183.90

Finding the Fourth Proportional to 1,000,101.87, 1,500,391.55 and 326,183.90

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Solution

The fourth proportional to 1,000,101.87, 1,500,391.55 and 326,183.90 is: 489,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,101.87 : 1,500,391.55 = 326,183.90 : x
  2. Step 2: Convert to fraction form
    1,000,101.87/1,500,391.55 = 326,183.90/x
  3. Step 3: Cross multiply
    1,000,101.87x = 1,500,391.55 × 326,183.90
  4. Step 4: Simplify right side
    1,000,101.87x = 489,403,560,619.55
  5. Step 5: Solve for x
    x = 489,403,560,619.55/1,000,101.87
  6. Step 6: Final answer
    x = 489,353.71

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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.