Finding the Fourth Proportional to 1,138,571.70, 1,708,137.74 and 802,268.88
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Solution
The fourth proportional to 1,138,571.70, 1,708,137.74 and 802,268.88 is: 1,203,600.75
Step by Step Solution
- Step 1: Write the proportion equation
1,138,571.70 : 1,708,137.74 = 802,268.88 : x - Step 2: Convert to fraction form
1,138,571.70/1,708,137.74 = 802,268.88/x - Step 3: Cross multiply
1,138,571.70x = 1,708,137.74 × 802,268.88 - Step 4: Simplify right side
1,138,571.70x = 1,370,385,751,555.53 - Step 5: Solve for x
x = 1,370,385,751,555.53/1,138,571.70 - Step 6: Final answer
x = 1,203,600.75
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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.