Home / 1,260,301.11-1,890,448.77-540,175.87

Finding the Fourth Proportional to 1,260,301.11, 1,890,448.77 and 540,175.87

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Solution

The fourth proportional to 1,260,301.11, 1,890,448.77 and 540,175.87 is: 810,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,301.11 : 1,890,448.77 = 540,175.87 : x
  2. Step 2: Convert to fraction form
    1,260,301.11/1,890,448.77 = 540,175.87/x
  3. Step 3: Cross multiply
    1,260,301.11x = 1,890,448.77 × 540,175.87
  4. Step 4: Simplify right side
    1,260,301.11x = 1,021,174,813,413.90
  5. Step 5: Solve for x
    x = 1,021,174,813,413.90/1,260,301.11
  6. Step 6: Final answer
    x = 810,262.57

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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.