Home / 1,621,093.45-2,429,235.53-660,375.44

Finding the Fourth Proportional to 1,621,093.45, 2,429,235.53 and 660,375.44

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Solution

The fourth proportional to 1,621,093.45, 2,429,235.53 and 660,375.44 is: 989,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,093.45 : 2,429,235.53 = 660,375.44 : x
  2. Step 2: Convert to fraction form
    1,621,093.45/2,429,235.53 = 660,375.44/x
  3. Step 3: Cross multiply
    1,621,093.45x = 2,429,235.53 × 660,375.44
  4. Step 4: Simplify right side
    1,621,093.45x = 1,604,207,481,987.38
  5. Step 5: Solve for x
    x = 1,604,207,481,987.38/1,621,093.45
  6. Step 6: Final answer
    x = 989,583.60

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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.