Home / 1,192,474.61-1,645,465.79-806,130.43

Finding the Fourth Proportional to 1,192,474.61, 1,645,465.79 and 806,130.43

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Solution

The fourth proportional to 1,192,474.61, 1,645,465.79 and 806,130.43 is: 1,112,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,474.61 : 1,645,465.79 = 806,130.43 : x
  2. Step 2: Convert to fraction form
    1,192,474.61/1,645,465.79 = 806,130.43/x
  3. Step 3: Cross multiply
    1,192,474.61x = 1,645,465.79 × 806,130.43
  4. Step 4: Simplify right side
    1,192,474.61x = 1,326,460,042,744.65
  5. Step 5: Solve for x
    x = 1,326,460,042,744.65/1,192,474.61
  6. Step 6: Final answer
    x = 1,112,359.15

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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.