Home / 1,259,513.88-1,889,115.30-550,031.64

Finding the Fourth Proportional to 1,259,513.88, 1,889,115.30 and 550,031.64

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Solution

The fourth proportional to 1,259,513.88, 1,889,115.30 and 550,031.64 is: 824,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,513.88 : 1,889,115.30 = 550,031.64 : x
  2. Step 2: Convert to fraction form
    1,259,513.88/1,889,115.30 = 550,031.64/x
  3. Step 3: Cross multiply
    1,259,513.88x = 1,889,115.30 × 550,031.64
  4. Step 4: Simplify right side
    1,259,513.88x = 1,039,073,186,608.09
  5. Step 5: Solve for x
    x = 1,039,073,186,608.09/1,259,513.88
  6. Step 6: Final answer
    x = 824,979.54

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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.