Finding the Fourth Proportional to 1,365,310.40, 1,884,173.60 and 745,149.44
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Solution
The fourth proportional to 1,365,310.40, 1,884,173.60 and 745,149.44 is: 1,028,330.92
Step by Step Solution
- Step 1: Write the proportion equation
1,365,310.40 : 1,884,173.60 = 745,149.44 : x - Step 2: Convert to fraction form
1,365,310.40/1,884,173.60 = 745,149.44/x - Step 3: Cross multiply
1,365,310.40x = 1,884,173.60 × 745,149.44 - Step 4: Simplify right side
1,365,310.40x = 1,403,990,902,902.78 - Step 5: Solve for x
x = 1,403,990,902,902.78/1,365,310.40 - Step 6: Final answer
x = 1,028,330.92
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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.