Home / 1,078,766.91-1,618,413.82-359,107.22

Finding the Fourth Proportional to 1,078,766.91, 1,618,413.82 and 359,107.22

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Solution

The fourth proportional to 1,078,766.91, 1,618,413.82 and 359,107.22 is: 538,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,766.91 : 1,618,413.82 = 359,107.22 : x
  2. Step 2: Convert to fraction form
    1,078,766.91/1,618,413.82 = 359,107.22/x
  3. Step 3: Cross multiply
    1,078,766.91x = 1,618,413.82 × 359,107.22
  4. Step 4: Simplify right side
    1,078,766.91x = 581,184,090,858.05
  5. Step 5: Solve for x
    x = 581,184,090,858.05/1,078,766.91
  6. Step 6: Final answer
    x = 538,748.53

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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.