Home / 1,619,932.44-2,429,865.84-421,828.22

Finding the Fourth Proportional to 1,619,932.44, 2,429,865.84 and 421,828.22

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Solution

The fourth proportional to 1,619,932.44, 2,429,865.84 and 421,828.22 is: 632,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,932.44 : 2,429,865.84 = 421,828.22 : x
  2. Step 2: Convert to fraction form
    1,619,932.44/2,429,865.84 = 421,828.22/x
  3. Step 3: Cross multiply
    1,619,932.44x = 2,429,865.84 × 421,828.22
  4. Step 4: Simplify right side
    1,619,932.44x = 1,024,985,982,126.00
  5. Step 5: Solve for x
    x = 1,024,985,982,126.00/1,619,932.44
  6. Step 6: Final answer
    x = 632,733.78

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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.