Home / 1,094,023.40-1,639,868.70-419,844.20

Finding the Fourth Proportional to 1,094,023.40, 1,639,868.70 and 419,844.20

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Solution

The fourth proportional to 1,094,023.40, 1,639,868.70 and 419,844.20 is: 629,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,023.40 : 1,639,868.70 = 419,844.20 : x
  2. Step 2: Convert to fraction form
    1,094,023.40/1,639,868.70 = 419,844.20/x
  3. Step 3: Cross multiply
    1,094,023.40x = 1,639,868.70 × 419,844.20
  4. Step 4: Simplify right side
    1,094,023.40x = 688,489,362,456.54
  5. Step 5: Solve for x
    x = 688,489,362,456.54/1,094,023.40
  6. Step 6: Final answer
    x = 629,318.68

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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.