Home / 1,221,309.93-1,685,375.19-705,046.38

Finding the Fourth Proportional to 1,221,309.93, 1,685,375.19 and 705,046.38

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Solution

The fourth proportional to 1,221,309.93, 1,685,375.19 and 705,046.38 is: 972,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,309.93 : 1,685,375.19 = 705,046.38 : x
  2. Step 2: Convert to fraction form
    1,221,309.93/1,685,375.19 = 705,046.38/x
  3. Step 3: Cross multiply
    1,221,309.93x = 1,685,375.19 × 705,046.38
  4. Step 4: Simplify right side
    1,221,309.93x = 1,188,267,676,651.31
  5. Step 5: Solve for x
    x = 1,188,267,676,651.31/1,221,309.93
  6. Step 6: Final answer
    x = 972,945.23

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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.