Finding the Fourth Proportional to 1,369,621.44, 2,054,869.60 and 659,721.28
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Solution
The fourth proportional to 1,369,621.44, 2,054,869.60 and 659,721.28 is: 989,792.63
Step by Step Solution
- Step 1: Write the proportion equation
1,369,621.44 : 2,054,869.60 = 659,721.28 : x - Step 2: Convert to fraction form
1,369,621.44/2,054,869.60 = 659,721.28/x - Step 3: Cross multiply
1,369,621.44x = 2,054,869.60 × 659,721.28 - Step 4: Simplify right side
1,369,621.44x = 1,355,641,202,745.09 - Step 5: Solve for x
x = 1,355,641,202,745.09/1,369,621.44 - Step 6: Final answer
x = 989,792.63
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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.