Finding the Fourth Proportional to 1,283,068.68, 1,770,716.97 and 739,194.54
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Solution
The fourth proportional to 1,283,068.68, 1,770,716.97 and 739,194.54 is: 1,020,135.82
Step by Step Solution
- Step 1: Write the proportion equation
1,283,068.68 : 1,770,716.97 = 739,194.54 : x - Step 2: Convert to fraction form
1,283,068.68/1,770,716.97 = 739,194.54/x - Step 3: Cross multiply
1,283,068.68x = 1,770,716.97 × 739,194.54 - Step 4: Simplify right side
1,283,068.68x = 1,308,904,316,109.34 - Step 5: Solve for x
x = 1,308,904,316,109.34/1,283,068.68 - Step 6: Final answer
x = 1,020,135.82
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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.