Finding the Fourth Proportional to 1,418,163.96, 1,957,078.74 and 773,587.02
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Solution
The fourth proportional to 1,418,163.96, 1,957,078.74 and 773,587.02 is: 1,067,556.89
Step by Step Solution
- Step 1: Write the proportion equation
1,418,163.96 : 1,957,078.74 = 773,587.02 : x - Step 2: Convert to fraction form
1,418,163.96/1,957,078.74 = 773,587.02/x - Step 3: Cross multiply
1,418,163.96x = 1,957,078.74 × 773,587.02 - Step 4: Simplify right side
1,418,163.96x = 1,513,970,710,381.95 - Step 5: Solve for x
x = 1,513,970,710,381.95/1,418,163.96 - Step 6: Final answer
x = 1,067,556.89
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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.