Finding the Fourth Proportional to 1,105,121.58, 1,657,682.43 and 306,403.13
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Solution
The fourth proportional to 1,105,121.58, 1,657,682.43 and 306,403.13 is: 459,604.72
Step by Step Solution
- Step 1: Write the proportion equation
1,105,121.58 : 1,657,682.43 = 306,403.13 : x - Step 2: Convert to fraction form
1,105,121.58/1,657,682.43 = 306,403.13/x - Step 3: Cross multiply
1,105,121.58x = 1,657,682.43 × 306,403.13 - Step 4: Simplify right side
1,105,121.58x = 507,919,088,093.20 - Step 5: Solve for x
x = 507,919,088,093.20/1,105,121.58 - Step 6: Final answer
x = 459,604.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.