Home / 1,519,954.88-2,278,428.80-719,830.40

Finding the Fourth Proportional to 1,519,954.88, 2,278,428.80 and 719,830.40

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Solution

The fourth proportional to 1,519,954.88, 2,278,428.80 and 719,830.40 is: 1,079,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,954.88 : 2,278,428.80 = 719,830.40 : x
  2. Step 2: Convert to fraction form
    1,519,954.88/2,278,428.80 = 719,830.40/x
  3. Step 3: Cross multiply
    1,519,954.88x = 2,278,428.80 × 719,830.40
  4. Step 4: Simplify right side
    1,519,954.88x = 1,640,082,314,475.52
  5. Step 5: Solve for x
    x = 1,640,082,314,475.52/1,519,954.88
  6. Step 6: Final answer
    x = 1,079,033.55

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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.