Finding the Fourth Proportional to 1,117,369.22, 1,542,135.65 and 658,337.09
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Solution
The fourth proportional to 1,117,369.22, 1,542,135.65 and 658,337.09 is: 908,603.06
Step by Step Solution
- Step 1: Write the proportion equation
1,117,369.22 : 1,542,135.65 = 658,337.09 : x - Step 2: Convert to fraction form
1,117,369.22/1,542,135.65 = 658,337.09/x - Step 3: Cross multiply
1,117,369.22x = 1,542,135.65 × 658,337.09 - Step 4: Simplify right side
1,117,369.22x = 1,015,245,085,203.89 - Step 5: Solve for x
x = 1,015,245,085,203.89/1,117,369.22 - Step 6: Final answer
x = 908,603.06
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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.