Home / 1,269,322.89-1,904,893.40-540,357.18

Finding the Fourth Proportional to 1,269,322.89, 1,904,893.40 and 540,357.18

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Solution

The fourth proportional to 1,269,322.89, 1,904,893.40 and 540,357.18 is: 810,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,322.89 : 1,904,893.40 = 540,357.18 : x
  2. Step 2: Convert to fraction form
    1,269,322.89/1,904,893.40 = 540,357.18/x
  3. Step 3: Cross multiply
    1,269,322.89x = 1,904,893.40 × 540,357.18
  4. Step 4: Simplify right side
    1,269,322.89x = 1,029,322,823,122.83
  5. Step 5: Solve for x
    x = 1,029,322,823,122.83/1,269,322.89
  6. Step 6: Final answer
    x = 810,922.76

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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.