Home / 1,260,866.43-1,889,723.57-810,388.35

Finding the Fourth Proportional to 1,260,866.43, 1,889,723.57 and 810,388.35

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Solution

The fourth proportional to 1,260,866.43, 1,889,723.57 and 810,388.35 is: 1,214,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,866.43 : 1,889,723.57 = 810,388.35 : x
  2. Step 2: Convert to fraction form
    1,260,866.43/1,889,723.57 = 810,388.35/x
  3. Step 3: Cross multiply
    1,260,866.43x = 1,889,723.57 × 810,388.35
  4. Step 4: Simplify right side
    1,260,866.43x = 1,531,409,961,796.47
  5. Step 5: Solve for x
    x = 1,531,409,961,796.47/1,260,866.43
  6. Step 6: Final answer
    x = 1,214,569.54

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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.