Home / 1,005,842.27-1,388,020.08-570,288.92

Finding the Fourth Proportional to 1,005,842.27, 1,388,020.08 and 570,288.92

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Solution

The fourth proportional to 1,005,842.27, 1,388,020.08 and 570,288.92 is: 786,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,842.27 : 1,388,020.08 = 570,288.92 : x
  2. Step 2: Convert to fraction form
    1,005,842.27/1,388,020.08 = 570,288.92/x
  3. Step 3: Cross multiply
    1,005,842.27x = 1,388,020.08 × 570,288.92
  4. Step 4: Simplify right side
    1,005,842.27x = 791,572,469,057.93
  5. Step 5: Solve for x
    x = 791,572,469,057.93/1,005,842.27
  6. Step 6: Final answer
    x = 786,974.75

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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.