Finding the Fourth Proportional to 1,173,839.09, 1,760,712.39 and 415,649.93
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Solution
The fourth proportional to 1,173,839.09, 1,760,712.39 and 415,649.93 is: 623,458.52
Step by Step Solution
- Step 1: Write the proportion equation
1,173,839.09 : 1,760,712.39 = 415,649.93 : x - Step 2: Convert to fraction form
1,173,839.09/1,760,712.39 = 415,649.93/x - Step 3: Cross multiply
1,173,839.09x = 1,760,712.39 × 415,649.93 - Step 4: Simplify right side
1,173,839.09x = 731,839,982,754.08 - Step 5: Solve for x
x = 731,839,982,754.08/1,173,839.09 - Step 6: Final answer
x = 623,458.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.