Home / 1,079,241.56-1,619,192.22-647,437.55

Finding the Fourth Proportional to 1,079,241.56, 1,619,192.22 and 647,437.55

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Solution

The fourth proportional to 1,079,241.56, 1,619,192.22 and 647,437.55 is: 971,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,241.56 : 1,619,192.22 = 647,437.55 : x
  2. Step 2: Convert to fraction form
    1,079,241.56/1,619,192.22 = 647,437.55/x
  3. Step 3: Cross multiply
    1,079,241.56x = 1,619,192.22 × 647,437.55
  4. Step 4: Simplify right side
    1,079,241.56x = 1,048,325,840,658.67
  5. Step 5: Solve for x
    x = 1,048,325,840,658.67/1,079,241.56
  6. Step 6: Final answer
    x = 971,354.22

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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.