Home / 1,405,383.57-1,939,413.24-760,789.62

Finding the Fourth Proportional to 1,405,383.57, 1,939,413.24 and 760,789.62

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Solution

The fourth proportional to 1,405,383.57, 1,939,413.24 and 760,789.62 is: 1,049,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,383.57 : 1,939,413.24 = 760,789.62 : x
  2. Step 2: Convert to fraction form
    1,405,383.57/1,939,413.24 = 760,789.62/x
  3. Step 3: Cross multiply
    1,405,383.57x = 1,939,413.24 × 760,789.62
  4. Step 4: Simplify right side
    1,405,383.57x = 1,475,485,461,882.57
  5. Step 5: Solve for x
    x = 1,475,485,461,882.57/1,405,383.57
  6. Step 6: Final answer
    x = 1,049,880.97

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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.