Home / 1,610,687.82-2,220,923.03-1,029,142.64

Finding the Fourth Proportional to 1,610,687.82, 2,220,923.03 and 1,029,142.64

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Solution

The fourth proportional to 1,610,687.82, 2,220,923.03 and 1,029,142.64 is: 1,419,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,687.82 : 2,220,923.03 = 1,029,142.64 : x
  2. Step 2: Convert to fraction form
    1,610,687.82/2,220,923.03 = 1,029,142.64/x
  3. Step 3: Cross multiply
    1,610,687.82x = 2,220,923.03 × 1,029,142.64
  4. Step 4: Simplify right side
    1,610,687.82x = 2,285,646,590,331.00
  5. Step 5: Solve for x
    x = 2,285,646,590,331.00/1,610,687.82
  6. Step 6: Final answer
    x = 1,419,050.02

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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.