Home / 1,071,687.80-1,606,947.70-323,636.60

Finding the Fourth Proportional to 1,071,687.80, 1,606,947.70 and 323,636.60

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Solution

The fourth proportional to 1,071,687.80, 1,606,947.70 and 323,636.60 is: 485,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,687.80 : 1,606,947.70 = 323,636.60 : x
  2. Step 2: Convert to fraction form
    1,071,687.80/1,606,947.70 = 323,636.60/x
  3. Step 3: Cross multiply
    1,071,687.80x = 1,606,947.70 × 323,636.60
  4. Step 4: Simplify right side
    1,071,687.80x = 520,067,090,005.82
  5. Step 5: Solve for x
    x = 520,067,090,005.82/1,071,687.80
  6. Step 6: Final answer
    x = 485,278.54

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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.