Home / 1,017,743.70-1,526,615.55-719,145.30

Finding the Fourth Proportional to 1,017,743.70, 1,526,615.55 and 719,145.30

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Solution

The fourth proportional to 1,017,743.70, 1,526,615.55 and 719,145.30 is: 1,078,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,743.70 : 1,526,615.55 = 719,145.30 : x
  2. Step 2: Convert to fraction form
    1,017,743.70/1,526,615.55 = 719,145.30/x
  3. Step 3: Cross multiply
    1,017,743.70x = 1,526,615.55 × 719,145.30
  4. Step 4: Simplify right side
    1,017,743.70x = 1,097,858,397,689.42
  5. Step 5: Solve for x
    x = 1,097,858,397,689.42/1,017,743.70
  6. Step 6: Final answer
    x = 1,078,717.95

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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.