Finding the Fourth Proportional to 1,418,276.09, 1,957,218.32 and 773,696.12
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Solution
The fourth proportional to 1,418,276.09, 1,957,218.32 and 773,696.12 is: 1,067,699.17
Step by Step Solution
- Step 1: Write the proportion equation
1,418,276.09 : 1,957,218.32 = 773,696.12 : x - Step 2: Convert to fraction form
1,418,276.09/1,957,218.32 = 773,696.12/x - Step 3: Cross multiply
1,418,276.09x = 1,957,218.32 × 773,696.12 - Step 4: Simplify right side
1,418,276.09x = 1,514,292,212,325.07 - Step 5: Solve for x
x = 1,514,292,212,325.07/1,418,276.09 - Step 6: Final answer
x = 1,067,699.17
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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.