Finding the Fourth Proportional to 1,264,408.88, 1,744,883.20 and 691,448.88
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Solution
The fourth proportional to 1,264,408.88, 1,744,883.20 and 691,448.88 is: 954,198.88
Step by Step Solution
- Step 1: Write the proportion equation
1,264,408.88 : 1,744,883.20 = 691,448.88 : x - Step 2: Convert to fraction form
1,264,408.88/1,744,883.20 = 691,448.88/x - Step 3: Cross multiply
1,264,408.88x = 1,744,883.20 × 691,448.88 - Step 4: Simplify right side
1,264,408.88x = 1,206,497,534,370.82 - Step 5: Solve for x
x = 1,206,497,534,370.82/1,264,408.88 - Step 6: Final answer
x = 954,198.88
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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.