Home / 1,429,413.11-2,143,664.97-469,647.48

Finding the Fourth Proportional to 1,429,413.11, 2,143,664.97 and 469,647.48

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Solution

The fourth proportional to 1,429,413.11, 2,143,664.97 and 469,647.48 is: 704,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,413.11 : 2,143,664.97 = 469,647.48 : x
  2. Step 2: Convert to fraction form
    1,429,413.11/2,143,664.97 = 469,647.48/x
  3. Step 3: Cross multiply
    1,429,413.11x = 2,143,664.97 × 469,647.48
  4. Step 4: Simplify right side
    1,429,413.11x = 1,006,766,857,402.34
  5. Step 5: Solve for x
    x = 1,006,766,857,402.34/1,429,413.11
  6. Step 6: Final answer
    x = 704,321.83

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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.