Home / 1,140,861.50-1,711,180.81-299,413.25

Finding the Fourth Proportional to 1,140,861.50, 1,711,180.81 and 299,413.25

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Solution

The fourth proportional to 1,140,861.50, 1,711,180.81 and 299,413.25 is: 449,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,861.50 : 1,711,180.81 = 299,413.25 : x
  2. Step 2: Convert to fraction form
    1,140,861.50/1,711,180.81 = 299,413.25/x
  3. Step 3: Cross multiply
    1,140,861.50x = 1,711,180.81 × 299,413.25
  4. Step 4: Simplify right side
    1,140,861.50x = 512,350,198,355.30
  5. Step 5: Solve for x
    x = 512,350,198,355.30/1,140,861.50
  6. Step 6: Final answer
    x = 449,090.62

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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.