Finding the Fourth Proportional to 1,111,736.68, 1,667,581.98 and 270,292.84
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Solution
The fourth proportional to 1,111,736.68, 1,667,581.98 and 270,292.84 is: 405,433.66
Step by Step Solution
- Step 1: Write the proportion equation
1,111,736.68 : 1,667,581.98 = 270,292.84 : x - Step 2: Convert to fraction form
1,111,736.68/1,667,581.98 = 270,292.84/x - Step 3: Cross multiply
1,111,736.68x = 1,667,581.98 × 270,292.84 - Step 4: Simplify right side
1,111,736.68x = 450,735,469,307.02 - Step 5: Solve for x
x = 450,735,469,307.02/1,111,736.68 - Step 6: Final answer
x = 405,433.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.