Home / 1,275,485.07-1,760,102.91-792,039.81

Finding the Fourth Proportional to 1,275,485.07, 1,760,102.91 and 792,039.81

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Solution

The fourth proportional to 1,275,485.07, 1,760,102.91 and 792,039.81 is: 1,092,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,485.07 : 1,760,102.91 = 792,039.81 : x
  2. Step 2: Convert to fraction form
    1,275,485.07/1,760,102.91 = 792,039.81/x
  3. Step 3: Cross multiply
    1,275,485.07x = 1,760,102.91 × 792,039.81
  4. Step 4: Simplify right side
    1,275,485.07x = 1,394,071,574,416.85
  5. Step 5: Solve for x
    x = 1,394,071,574,416.85/1,275,485.07
  6. Step 6: Final answer
    x = 1,092,973.65

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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.