Finding the Fourth Proportional to 1,093,258.40, 1,639,887.60 and 719,703.20
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Solution
The fourth proportional to 1,093,258.40, 1,639,887.60 and 719,703.20 is: 1,079,554.80
Step by Step Solution
- Step 1: Write the proportion equation
1,093,258.40 : 1,639,887.60 = 719,703.20 : x - Step 2: Convert to fraction form
1,093,258.40/1,639,887.60 = 719,703.20/x - Step 3: Cross multiply
1,093,258.40x = 1,639,887.60 × 719,703.20 - Step 4: Simplify right side
1,093,258.40x = 1,180,232,353,360.32 - Step 5: Solve for x
x = 1,180,232,353,360.32/1,093,258.40 - Step 6: Final answer
x = 1,079,554.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.