Home / 1,512,074.40-2,268,512.55-658,779.90

Finding the Fourth Proportional to 1,512,074.40, 2,268,512.55 and 658,779.90

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Solution

The fourth proportional to 1,512,074.40, 2,268,512.55 and 658,779.90 is: 988,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,074.40 : 2,268,512.55 = 658,779.90 : x
  2. Step 2: Convert to fraction form
    1,512,074.40/2,268,512.55 = 658,779.90/x
  3. Step 3: Cross multiply
    1,512,074.40x = 2,268,512.55 × 658,779.90
  4. Step 4: Simplify right side
    1,512,074.40x = 1,494,450,470,837.75
  5. Step 5: Solve for x
    x = 1,494,450,470,837.75/1,512,074.40
  6. Step 6: Final answer
    x = 988,344.54

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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.