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Finding the Fourth Proportional to 1,524,616, 2,286,924 and 638,152

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Solution

The fourth proportional to 1,524,616, 2,286,924 and 638,152 is: 957,228

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524,616 : 2,286,924 = 638,152 : x
  2. Step 2: Convert to fraction form
    1,524,616/2,286,924 = 638,152/x
  3. Step 3: Cross multiply
    1,524,616x = 2,286,924 × 638,152
  4. Step 4: Simplify right side
    1,524,616x = 1,459,405,124,448
  5. Step 5: Solve for x
    x = 1,459,405,124,448/1,524,616
  6. Step 6: Final answer
    x = 957,228

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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.