Home / 1,010,514.37-1,394,178.61-720,171.66

Finding the Fourth Proportional to 1,010,514.37, 1,394,178.61 and 720,171.66

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Solution

The fourth proportional to 1,010,514.37, 1,394,178.61 and 720,171.66 is: 993,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,514.37 : 1,394,178.61 = 720,171.66 : x
  2. Step 2: Convert to fraction form
    1,010,514.37/1,394,178.61 = 720,171.66/x
  3. Step 3: Cross multiply
    1,010,514.37x = 1,394,178.61 × 720,171.66
  4. Step 4: Simplify right side
    1,010,514.37x = 1,004,047,923,900.19
  5. Step 5: Solve for x
    x = 1,004,047,923,900.19/1,010,514.37
  6. Step 6: Final answer
    x = 993,600.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.