Home / 1,376,009.80-2,060,904.30-816,137.80

Finding the Fourth Proportional to 1,376,009.80, 2,060,904.30 and 816,137.80

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Solution

The fourth proportional to 1,376,009.80, 2,060,904.30 and 816,137.80 is: 1,222,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,009.80 : 2,060,904.30 = 816,137.80 : x
  2. Step 2: Convert to fraction form
    1,376,009.80/2,060,904.30 = 816,137.80/x
  3. Step 3: Cross multiply
    1,376,009.80x = 2,060,904.30 × 816,137.80
  4. Step 4: Simplify right side
    1,376,009.80x = 1,681,981,901,412.54
  5. Step 5: Solve for x
    x = 1,681,981,901,412.54/1,376,009.80
  6. Step 6: Final answer
    x = 1,222,361.86

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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.