Home / 1,259,627-1,889,441.88-312,997.72

Finding the Fourth Proportional to 1,259,627, 1,889,441.88 and 312,997.72

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Solution

The fourth proportional to 1,259,627, 1,889,441.88 and 312,997.72 is: 469,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,627 : 1,889,441.88 = 312,997.72 : x
  2. Step 2: Convert to fraction form
    1,259,627/1,889,441.88 = 312,997.72/x
  3. Step 3: Cross multiply
    1,259,627x = 1,889,441.88 × 312,997.72
  4. Step 4: Simplify right side
    1,259,627x = 591,391,000,512.51
  5. Step 5: Solve for x
    x = 591,391,000,512.51/1,259,627
  6. Step 6: Final answer
    x = 469,496.92

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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.