Finding the Fourth Proportional to 1,326,770.38, 1,830,816.60 and 775,614.94
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Solution
The fourth proportional to 1,326,770.38, 1,830,816.60 and 775,614.94 is: 1,070,274.65
Step by Step Solution
- Step 1: Write the proportion equation
1,326,770.38 : 1,830,816.60 = 775,614.94 : x - Step 2: Convert to fraction form
1,326,770.38/1,830,816.60 = 775,614.94/x - Step 3: Cross multiply
1,326,770.38x = 1,830,816.60 × 775,614.94 - Step 4: Simplify right side
1,326,770.38x = 1,420,008,703,481.93 - Step 5: Solve for x
x = 1,420,008,703,481.93/1,326,770.38 - Step 6: Final answer
x = 1,070,274.65
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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.