Home / 1,664,608.44-2,489,699.52-979,863.41

Finding the Fourth Proportional to 1,664,608.44, 2,489,699.52 and 979,863.41

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Solution

The fourth proportional to 1,664,608.44, 2,489,699.52 and 979,863.41 is: 1,465,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,608.44 : 2,489,699.52 = 979,863.41 : x
  2. Step 2: Convert to fraction form
    1,664,608.44/2,489,699.52 = 979,863.41/x
  3. Step 3: Cross multiply
    1,664,608.44x = 2,489,699.52 × 979,863.41
  4. Step 4: Simplify right side
    1,664,608.44x = 2,439,565,449,094.07
  5. Step 5: Solve for x
    x = 2,439,565,449,094.07/1,664,608.44
  6. Step 6: Final answer
    x = 1,465,549.13

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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.