Finding the Fourth Proportional to 1,350,602.30, 1,863,761.60 and 738,635.96
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Solution
The fourth proportional to 1,350,602.30, 1,863,761.60 and 738,635.96 is: 1,019,279.58
Step by Step Solution
- Step 1: Write the proportion equation
1,350,602.30 : 1,863,761.60 = 738,635.96 : x - Step 2: Convert to fraction form
1,350,602.30/1,863,761.60 = 738,635.96/x - Step 3: Cross multiply
1,350,602.30x = 1,863,761.60 × 738,635.96 - Step 4: Simplify right side
1,350,602.30x = 1,376,641,345,133.13 - Step 5: Solve for x
x = 1,376,641,345,133.13/1,350,602.30 - Step 6: Final answer
x = 1,019,279.58
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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.