Home / 1,110,976.30-1,666,464.45-978,006.70

Finding the Fourth Proportional to 1,110,976.30, 1,666,464.45 and 978,006.70

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Solution

The fourth proportional to 1,110,976.30, 1,666,464.45 and 978,006.70 is: 1,467,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,976.30 : 1,666,464.45 = 978,006.70 : x
  2. Step 2: Convert to fraction form
    1,110,976.30/1,666,464.45 = 978,006.70/x
  3. Step 3: Cross multiply
    1,110,976.30x = 1,666,464.45 × 978,006.70
  4. Step 4: Simplify right side
    1,110,976.30x = 1,629,813,397,411.82
  5. Step 5: Solve for x
    x = 1,629,813,397,411.82/1,110,976.30
  6. Step 6: Final answer
    x = 1,467,010.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.