Finding the Fourth Proportional to 1,117,695.12, 1,676,543.24 and 369,741.12
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Solution
The fourth proportional to 1,117,695.12, 1,676,543.24 and 369,741.12 is: 554,611.87
Step by Step Solution
- Step 1: Write the proportion equation
1,117,695.12 : 1,676,543.24 = 369,741.12 : x - Step 2: Convert to fraction form
1,117,695.12/1,676,543.24 = 369,741.12/x - Step 3: Cross multiply
1,117,695.12x = 1,676,543.24 × 369,741.12 - Step 4: Simplify right side
1,117,695.12x = 619,886,975,286.03 - Step 5: Solve for x
x = 619,886,975,286.03/1,117,695.12 - Step 6: Final answer
x = 554,611.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.