Finding the Fourth Proportional to 1,413,258.40, 2,117,122.80 and 850,621.60
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Solution
The fourth proportional to 1,413,258.40, 2,117,122.80 and 850,621.60 is: 1,274,268.30
Step by Step Solution
- Step 1: Write the proportion equation
1,413,258.40 : 2,117,122.80 = 850,621.60 : x - Step 2: Convert to fraction form
1,413,258.40/2,117,122.80 = 850,621.60/x - Step 3: Cross multiply
1,413,258.40x = 2,117,122.80 × 850,621.60 - Step 4: Simplify right side
1,413,258.40x = 1,800,870,383,532.48 - Step 5: Solve for x
x = 1,800,870,383,532.48/1,413,258.40 - Step 6: Final answer
x = 1,274,268.30
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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.