Finding the Fourth Proportional to 1,283,104.19, 1,770,620.67 and 731,841.68
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Solution
The fourth proportional to 1,283,104.19, 1,770,620.67 and 731,841.68 is: 1,009,905.52
Step by Step Solution
- Step 1: Write the proportion equation
1,283,104.19 : 1,770,620.67 = 731,841.68 : x - Step 2: Convert to fraction form
1,283,104.19/1,770,620.67 = 731,841.68/x - Step 3: Cross multiply
1,283,104.19x = 1,770,620.67 × 731,841.68 - Step 4: Simplify right side
1,283,104.19x = 1,295,813,996,922.42 - Step 5: Solve for x
x = 1,295,813,996,922.42/1,283,104.19 - Step 6: Final answer
x = 1,009,905.52
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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.