Finding the Fourth Proportional to 1,229,308.26, 1,696,557.36 and 745,996.38
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Solution
The fourth proportional to 1,229,308.26, 1,696,557.36 and 745,996.38 is: 1,029,542.95
Step by Step Solution
- Step 1: Write the proportion equation
1,229,308.26 : 1,696,557.36 = 745,996.38 : x - Step 2: Convert to fraction form
1,229,308.26/1,696,557.36 = 745,996.38/x - Step 3: Cross multiply
1,229,308.26x = 1,696,557.36 × 745,996.38 - Step 4: Simplify right side
1,229,308.26x = 1,265,625,649,022.36 - Step 5: Solve for x
x = 1,265,625,649,022.36/1,229,308.26 - Step 6: Final answer
x = 1,029,542.95
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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.