Home / 1,293,504.75-1,772,109.57-1,245,020.79

Finding the Fourth Proportional to 1,293,504.75, 1,772,109.57 and 1,245,020.79

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Solution

The fourth proportional to 1,293,504.75, 1,772,109.57 and 1,245,020.79 is: 1,705,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,504.75 : 1,772,109.57 = 1,245,020.79 : x
  2. Step 2: Convert to fraction form
    1,293,504.75/1,772,109.57 = 1,245,020.79/x
  3. Step 3: Cross multiply
    1,293,504.75x = 1,772,109.57 × 1,245,020.79
  4. Step 4: Simplify right side
    1,293,504.75x = 2,206,313,256,807.96
  5. Step 5: Solve for x
    x = 2,206,313,256,807.96/1,293,504.75
  6. Step 6: Final answer
    x = 1,705,686.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.