Home / 1,080,153.15-1,618,708.53-826,451.43

Finding the Fourth Proportional to 1,080,153.15, 1,618,708.53 and 826,451.43

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Solution

The fourth proportional to 1,080,153.15, 1,618,708.53 and 826,451.43 is: 1,238,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,153.15 : 1,618,708.53 = 826,451.43 : x
  2. Step 2: Convert to fraction form
    1,080,153.15/1,618,708.53 = 826,451.43/x
  3. Step 3: Cross multiply
    1,080,153.15x = 1,618,708.53 × 826,451.43
  4. Step 4: Simplify right side
    1,080,153.15x = 1,337,783,979,371.70
  5. Step 5: Solve for x
    x = 1,337,783,979,371.70/1,080,153.15
  6. Step 6: Final answer
    x = 1,238,513.24

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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.