Home / 1,515,344.40-2,273,016.60-393,413.40

Finding the Fourth Proportional to 1,515,344.40, 2,273,016.60 and 393,413.40

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Solution

The fourth proportional to 1,515,344.40, 2,273,016.60 and 393,413.40 is: 590,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,344.40 : 2,273,016.60 = 393,413.40 : x
  2. Step 2: Convert to fraction form
    1,515,344.40/2,273,016.60 = 393,413.40/x
  3. Step 3: Cross multiply
    1,515,344.40x = 2,273,016.60 × 393,413.40
  4. Step 4: Simplify right side
    1,515,344.40x = 894,235,188,862.44
  5. Step 5: Solve for x
    x = 894,235,188,862.44/1,515,344.40
  6. Step 6: Final answer
    x = 590,120.10

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Similar ratio
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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.