Home / 1,621,243.52-2,431,005.04-810,741.36

Finding the Fourth Proportional to 1,621,243.52, 2,431,005.04 and 810,741.36

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Solution

The fourth proportional to 1,621,243.52, 2,431,005.04 and 810,741.36 is: 1,215,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,243.52 : 2,431,005.04 = 810,741.36 : x
  2. Step 2: Convert to fraction form
    1,621,243.52/2,431,005.04 = 810,741.36/x
  3. Step 3: Cross multiply
    1,621,243.52x = 2,431,005.04 × 810,741.36
  4. Step 4: Simplify right side
    1,621,243.52x = 1,970,916,332,296.45
  5. Step 5: Solve for x
    x = 1,970,916,332,296.45/1,621,243.52
  6. Step 6: Final answer
    x = 1,215,681.86

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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.