Home / 1,804,409.27-2,489,768.31-1,029,686.39

Finding the Fourth Proportional to 1,804,409.27, 2,489,768.31 and 1,029,686.39

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Solution

The fourth proportional to 1,804,409.27, 2,489,768.31 and 1,029,686.39 is: 1,420,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,409.27 : 2,489,768.31 = 1,029,686.39 : x
  2. Step 2: Convert to fraction form
    1,804,409.27/2,489,768.31 = 1,029,686.39/x
  3. Step 3: Cross multiply
    1,804,409.27x = 2,489,768.31 × 1,029,686.39
  4. Step 4: Simplify right side
    1,804,409.27x = 2,563,680,543,060.30
  5. Step 5: Solve for x
    x = 2,563,680,543,060.30/1,804,409.27
  6. Step 6: Final answer
    x = 1,420,786.62

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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.