Finding the Fourth Proportional to 1,275,377.73, 1,759,891.02 and 785,269.41
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Solution
The fourth proportional to 1,275,377.73, 1,759,891.02 and 785,269.41 is: 1,083,591.59
Step by Step Solution
- Step 1: Write the proportion equation
1,275,377.73 : 1,759,891.02 = 785,269.41 : x - Step 2: Convert to fraction form
1,275,377.73/1,759,891.02 = 785,269.41/x - Step 3: Cross multiply
1,275,377.73x = 1,759,891.02 × 785,269.41 - Step 4: Simplify right side
1,275,377.73x = 1,381,988,582,939.70 - Step 5: Solve for x
x = 1,381,988,582,939.70/1,275,377.73 - Step 6: Final answer
x = 1,083,591.59
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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.