Home / 1,519,956.88-2,278,431.80-719,832.40

Finding the Fourth Proportional to 1,519,956.88, 2,278,431.80 and 719,832.40

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Solution

The fourth proportional to 1,519,956.88, 2,278,431.80 and 719,832.40 is: 1,079,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,956.88 : 2,278,431.80 = 719,832.40 : x
  2. Step 2: Convert to fraction form
    1,519,956.88/2,278,431.80 = 719,832.40/x
  3. Step 3: Cross multiply
    1,519,956.88x = 2,278,431.80 × 719,832.40
  4. Step 4: Simplify right side
    1,519,956.88x = 1,640,089,030,830.32
  5. Step 5: Solve for x
    x = 1,640,089,030,830.32/1,519,956.88
  6. Step 6: Final answer
    x = 1,079,036.55

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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.