Home / 1,010,163.75-1,514,799.64-378,634.69

Finding the Fourth Proportional to 1,010,163.75, 1,514,799.64 and 378,634.69

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Solution

The fourth proportional to 1,010,163.75, 1,514,799.64 and 378,634.69 is: 567,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,163.75 : 1,514,799.64 = 378,634.69 : x
  2. Step 2: Convert to fraction form
    1,010,163.75/1,514,799.64 = 378,634.69/x
  3. Step 3: Cross multiply
    1,010,163.75x = 1,514,799.64 × 378,634.69
  4. Step 4: Simplify right side
    1,010,163.75x = 573,555,692,103.51
  5. Step 5: Solve for x
    x = 573,555,692,103.51/1,010,163.75
  6. Step 6: Final answer
    x = 567,784.87

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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.