Home / 1,197,822.80-1,653,273.24-789,997.52

Finding the Fourth Proportional to 1,197,822.80, 1,653,273.24 and 789,997.52

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Solution

The fourth proportional to 1,197,822.80, 1,653,273.24 and 789,997.52 is: 1,090,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,822.80 : 1,653,273.24 = 789,997.52 : x
  2. Step 2: Convert to fraction form
    1,197,822.80/1,653,273.24 = 789,997.52/x
  3. Step 3: Cross multiply
    1,197,822.80x = 1,653,273.24 × 789,997.52
  4. Step 4: Simplify right side
    1,197,822.80x = 1,306,081,759,482.36
  5. Step 5: Solve for x
    x = 1,306,081,759,482.36/1,197,822.80
  6. Step 6: Final answer
    x = 1,090,379.78

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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.