Finding the Fourth Proportional to 1,117,704.18, 1,542,431.94 and 608,406.50
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Solution
The fourth proportional to 1,117,704.18, 1,542,431.94 and 608,406.50 is: 839,601.06
Step by Step Solution
- Step 1: Write the proportion equation
1,117,704.18 : 1,542,431.94 = 608,406.50 : x - Step 2: Convert to fraction form
1,117,704.18/1,542,431.94 = 608,406.50/x - Step 3: Cross multiply
1,117,704.18x = 1,542,431.94 × 608,406.50 - Step 4: Simplify right side
1,117,704.18x = 938,425,618,103.61 - Step 5: Solve for x
x = 938,425,618,103.61/1,117,704.18 - Step 6: Final answer
x = 839,601.06
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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.