Finding the Fourth Proportional to 1,159,170.39, 1,599,110.79 and 819,825.75
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Solution
The fourth proportional to 1,159,170.39, 1,599,110.79 and 819,825.75 is: 1,130,974.54
Step by Step Solution
- Step 1: Write the proportion equation
1,159,170.39 : 1,599,110.79 = 819,825.75 : x - Step 2: Convert to fraction form
1,159,170.39/1,599,110.79 = 819,825.75/x - Step 3: Cross multiply
1,159,170.39x = 1,599,110.79 × 819,825.75 - Step 4: Simplify right side
1,159,170.39x = 1,310,992,202,744.84 - Step 5: Solve for x
x = 1,310,992,202,744.84/1,159,170.39 - Step 6: Final answer
x = 1,130,974.54
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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.