Home / 1,071,879.08-1,605,716.62-621,654.35

Finding the Fourth Proportional to 1,071,879.08, 1,605,716.62 and 621,654.35

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Solution

The fourth proportional to 1,071,879.08, 1,605,716.62 and 621,654.35 is: 931,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,879.08 : 1,605,716.62 = 621,654.35 : x
  2. Step 2: Convert to fraction form
    1,071,879.08/1,605,716.62 = 621,654.35/x
  3. Step 3: Cross multiply
    1,071,879.08x = 1,605,716.62 × 621,654.35
  4. Step 4: Simplify right side
    1,071,879.08x = 998,200,712,107.58
  5. Step 5: Solve for x
    x = 998,200,712,107.58/1,071,879.08
  6. Step 6: Final answer
    x = 931,262.43

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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.