Home / 1,098,704.40-1,647,072.45-719,806.65

Finding the Fourth Proportional to 1,098,704.40, 1,647,072.45 and 719,806.65

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Solution

The fourth proportional to 1,098,704.40, 1,647,072.45 and 719,806.65 is: 1,079,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,704.40 : 1,647,072.45 = 719,806.65 : x
  2. Step 2: Convert to fraction form
    1,098,704.40/1,647,072.45 = 719,806.65/x
  3. Step 3: Cross multiply
    1,098,704.40x = 1,647,072.45 × 719,806.65
  4. Step 4: Simplify right side
    1,098,704.40x = 1,185,573,702,541.79
  5. Step 5: Solve for x
    x = 1,185,573,702,541.79/1,098,704.40
  6. Step 6: Final answer
    x = 1,079,065.22

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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.