Home / 1,228,932.80-1,843,399.20-1,057,690.70

Finding the Fourth Proportional to 1,228,932.80, 1,843,399.20 and 1,057,690.70

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Solution

The fourth proportional to 1,228,932.80, 1,843,399.20 and 1,057,690.70 is: 1,586,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,932.80 : 1,843,399.20 = 1,057,690.70 : x
  2. Step 2: Convert to fraction form
    1,228,932.80/1,843,399.20 = 1,057,690.70/x
  3. Step 3: Cross multiply
    1,228,932.80x = 1,843,399.20 × 1,057,690.70
  4. Step 4: Simplify right side
    1,228,932.80x = 1,949,746,190,227.44
  5. Step 5: Solve for x
    x = 1,949,746,190,227.44/1,228,932.80
  6. Step 6: Final answer
    x = 1,586,536.05

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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.