Home / 1,010,165-1,514,801.58-378,635.94

Finding the Fourth Proportional to 1,010,165, 1,514,801.58 and 378,635.94

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Solution

The fourth proportional to 1,010,165, 1,514,801.58 and 378,635.94 is: 567,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,165 : 1,514,801.58 = 378,635.94 : x
  2. Step 2: Convert to fraction form
    1,010,165/1,514,801.58 = 378,635.94/x
  3. Step 3: Cross multiply
    1,010,165x = 1,514,801.58 × 378,635.94
  4. Step 4: Simplify right side
    1,010,165x = 573,558,320,156.79
  5. Step 5: Solve for x
    x = 573,558,320,156.79/1,010,165
  6. Step 6: Final answer
    x = 567,786.77

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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.