Home / 1,121,845-1,682,767.50-333,877

Finding the Fourth Proportional to 1,121,845, 1,682,767.50 and 333,877

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Solution

The fourth proportional to 1,121,845, 1,682,767.50 and 333,877 is: 500,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,845 : 1,682,767.50 = 333,877 : x
  2. Step 2: Convert to fraction form
    1,121,845/1,682,767.50 = 333,877/x
  3. Step 3: Cross multiply
    1,121,845x = 1,682,767.50 × 333,877
  4. Step 4: Simplify right side
    1,121,845x = 561,837,364,597.50
  5. Step 5: Solve for x
    x = 561,837,364,597.50/1,121,845
  6. Step 6: Final answer
    x = 500,815.50

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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.