Home / 1,218,878.01-1,682,331.59-810,997.04

Finding the Fourth Proportional to 1,218,878.01, 1,682,331.59 and 810,997.04

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Solution

The fourth proportional to 1,218,878.01, 1,682,331.59 and 810,997.04 is: 1,119,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,878.01 : 1,682,331.59 = 810,997.04 : x
  2. Step 2: Convert to fraction form
    1,218,878.01/1,682,331.59 = 810,997.04/x
  3. Step 3: Cross multiply
    1,218,878.01x = 1,682,331.59 × 810,997.04
  4. Step 4: Simplify right side
    1,218,878.01x = 1,364,365,946,021.82
  5. Step 5: Solve for x
    x = 1,364,365,946,021.82/1,218,878.01
  6. Step 6: Final answer
    x = 1,119,362.18

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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.