Finding the Fourth Proportional to 1,351,282.40, 1,864,769.63 and 739,435.23
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Solution
The fourth proportional to 1,351,282.40, 1,864,769.63 and 739,435.23 is: 1,020,420.58
Step by Step Solution
- Step 1: Write the proportion equation
1,351,282.40 : 1,864,769.63 = 739,435.23 : x - Step 2: Convert to fraction form
1,351,282.40/1,864,769.63 = 739,435.23/x - Step 3: Cross multiply
1,351,282.40x = 1,864,769.63 × 739,435.23 - Step 4: Simplify right side
1,351,282.40x = 1,378,876,366,324.66 - Step 5: Solve for x
x = 1,378,876,366,324.66/1,351,282.40 - Step 6: Final answer
x = 1,020,420.58
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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.