Home / 1,545,511.82-2,318,005.26-408,286.40

Finding the Fourth Proportional to 1,545,511.82, 2,318,005.26 and 408,286.40

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Solution

The fourth proportional to 1,545,511.82, 2,318,005.26 and 408,286.40 is: 612,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,511.82 : 2,318,005.26 = 408,286.40 : x
  2. Step 2: Convert to fraction form
    1,545,511.82/2,318,005.26 = 408,286.40/x
  3. Step 3: Cross multiply
    1,545,511.82x = 2,318,005.26 × 408,286.40
  4. Step 4: Simplify right side
    1,545,511.82x = 946,410,022,786.46
  5. Step 5: Solve for x
    x = 946,410,022,786.46/1,545,511.82
  6. Step 6: Final answer
    x = 612,360.26

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1.5x scale

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.