Home / 1,021,238.66-1,532,085.46-311,322

Finding the Fourth Proportional to 1,021,238.66, 1,532,085.46 and 311,322

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Solution

The fourth proportional to 1,021,238.66, 1,532,085.46 and 311,322 is: 467,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,238.66 : 1,532,085.46 = 311,322 : x
  2. Step 2: Convert to fraction form
    1,021,238.66/1,532,085.46 = 311,322/x
  3. Step 3: Cross multiply
    1,021,238.66x = 1,532,085.46 × 311,322
  4. Step 4: Simplify right side
    1,021,238.66x = 476,971,909,578.12
  5. Step 5: Solve for x
    x = 476,971,909,578.12/1,021,238.66
  6. Step 6: Final answer
    x = 467,052.34

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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.