Home / 1,379,804.24-1,904,192.52-767,996.12

Finding the Fourth Proportional to 1,379,804.24, 1,904,192.52 and 767,996.12

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Solution

The fourth proportional to 1,379,804.24, 1,904,192.52 and 767,996.12 is: 1,059,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,804.24 : 1,904,192.52 = 767,996.12 : x
  2. Step 2: Convert to fraction form
    1,379,804.24/1,904,192.52 = 767,996.12/x
  3. Step 3: Cross multiply
    1,379,804.24x = 1,904,192.52 × 767,996.12
  4. Step 4: Simplify right side
    1,379,804.24x = 1,462,412,467,093.02
  5. Step 5: Solve for x
    x = 1,462,412,467,093.02/1,379,804.24
  6. Step 6: Final answer
    x = 1,059,869.53

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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.