Finding the Fourth Proportional to 1,166,639.15, 1,750,586.12 and 1,124,175.38
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Solution
The fourth proportional to 1,166,639.15, 1,750,586.12 and 1,124,175.38 is: 1,686,867.62
Step by Step Solution
- Step 1: Write the proportion equation
1,166,639.15 : 1,750,586.12 = 1,124,175.38 : x - Step 2: Convert to fraction form
1,166,639.15/1,750,586.12 = 1,124,175.38/x - Step 3: Cross multiply
1,166,639.15x = 1,750,586.12 × 1,124,175.38 - Step 4: Simplify right side
1,166,639.15x = 1,967,965,802,299.92 - Step 5: Solve for x
x = 1,967,965,802,299.92/1,166,639.15 - Step 6: Final answer
x = 1,686,867.62
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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.