Finding the Fourth Proportional to 1,275,897.63, 1,760,743.08 and 702,936.42
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Solution
The fourth proportional to 1,275,897.63, 1,760,743.08 and 702,936.42 is: 970,054.66
Step by Step Solution
- Step 1: Write the proportion equation
1,275,897.63 : 1,760,743.08 = 702,936.42 : x - Step 2: Convert to fraction form
1,275,897.63/1,760,743.08 = 702,936.42/x - Step 3: Cross multiply
1,275,897.63x = 1,760,743.08 × 702,936.42 - Step 4: Simplify right side
1,275,897.63x = 1,237,690,437,194.97 - Step 5: Solve for x
x = 1,237,690,437,194.97/1,275,897.63 - Step 6: Final answer
x = 970,054.66
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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.