Home / 1,427,469.83-2,140,349.52-454,413.80

Finding the Fourth Proportional to 1,427,469.83, 2,140,349.52 and 454,413.80

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Solution

The fourth proportional to 1,427,469.83, 2,140,349.52 and 454,413.80 is: 681,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,469.83 : 2,140,349.52 = 454,413.80 : x
  2. Step 2: Convert to fraction form
    1,427,469.83/2,140,349.52 = 454,413.80/x
  3. Step 3: Cross multiply
    1,427,469.83x = 2,140,349.52 × 454,413.80
  4. Step 4: Simplify right side
    1,427,469.83x = 972,604,351,170.76
  5. Step 5: Solve for x
    x = 972,604,351,170.76/1,427,469.83
  6. Step 6: Final answer
    x = 681,348.44

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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.