Home / 1,188,233.70-1,782,350.55-1,057,596.90

Finding the Fourth Proportional to 1,188,233.70, 1,782,350.55 and 1,057,596.90

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Solution

The fourth proportional to 1,188,233.70, 1,782,350.55 and 1,057,596.90 is: 1,586,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,233.70 : 1,782,350.55 = 1,057,596.90 : x
  2. Step 2: Convert to fraction form
    1,188,233.70/1,782,350.55 = 1,057,596.90/x
  3. Step 3: Cross multiply
    1,188,233.70x = 1,782,350.55 × 1,057,596.90
  4. Step 4: Simplify right side
    1,188,233.70x = 1,885,008,416,393.30
  5. Step 5: Solve for x
    x = 1,885,008,416,393.30/1,188,233.70
  6. Step 6: Final answer
    x = 1,586,395.35

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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.