Finding the Fourth Proportional to 1,418,342.74, 1,957,310.40 and 773,762.96
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Solution
The fourth proportional to 1,418,342.74, 1,957,310.40 and 773,762.96 is: 1,067,791.48
Step by Step Solution
- Step 1: Write the proportion equation
1,418,342.74 : 1,957,310.40 = 773,762.96 : x - Step 2: Convert to fraction form
1,418,342.74/1,957,310.40 = 773,762.96/x - Step 3: Cross multiply
1,418,342.74x = 1,957,310.40 × 773,762.96 - Step 4: Simplify right side
1,418,342.74x = 1,514,494,288,742.78 - Step 5: Solve for x
x = 1,514,494,288,742.78/1,418,342.74 - Step 6: Final answer
x = 1,067,791.48
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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.