Home / 1,779,288.45-2,455,459.29-1,015,413.09

Finding the Fourth Proportional to 1,779,288.45, 2,455,459.29 and 1,015,413.09

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Solution

The fourth proportional to 1,779,288.45, 2,455,459.29 and 1,015,413.09 is: 1,401,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,288.45 : 2,455,459.29 = 1,015,413.09 : x
  2. Step 2: Convert to fraction form
    1,779,288.45/2,455,459.29 = 1,015,413.09/x
  3. Step 3: Cross multiply
    1,779,288.45x = 2,455,459.29 × 1,015,413.09
  4. Step 4: Simplify right side
    1,779,288.45x = 2,493,305,505,028.11
  5. Step 5: Solve for x
    x = 2,493,305,505,028.11/1,779,288.45
  6. Step 6: Final answer
    x = 1,401,293.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.