Finding the Fourth Proportional to 1,117,841.87, 1,676,790.35 and 407,869.79
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Solution
The fourth proportional to 1,117,841.87, 1,676,790.35 and 407,869.79 is: 611,814.73
Step by Step Solution
- Step 1: Write the proportion equation
1,117,841.87 : 1,676,790.35 = 407,869.79 : x - Step 2: Convert to fraction form
1,117,841.87/1,676,790.35 = 407,869.79/x - Step 3: Cross multiply
1,117,841.87x = 1,676,790.35 × 407,869.79 - Step 4: Simplify right side
1,117,841.87x = 683,912,117,505.23 - Step 5: Solve for x
x = 683,912,117,505.23/1,117,841.87 - Step 6: Final answer
x = 611,814.73
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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.