Home / 1,192,155.40-1,788,233.10-814,241.80

Finding the Fourth Proportional to 1,192,155.40, 1,788,233.10 and 814,241.80

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Solution

The fourth proportional to 1,192,155.40, 1,788,233.10 and 814,241.80 is: 1,221,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,155.40 : 1,788,233.10 = 814,241.80 : x
  2. Step 2: Convert to fraction form
    1,192,155.40/1,788,233.10 = 814,241.80/x
  3. Step 3: Cross multiply
    1,192,155.40x = 1,788,233.10 × 814,241.80
  4. Step 4: Simplify right side
    1,192,155.40x = 1,456,054,138,163.58
  5. Step 5: Solve for x
    x = 1,456,054,138,163.58/1,192,155.40
  6. Step 6: Final answer
    x = 1,221,362.70

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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.