Finding the Fourth Proportional to 1,177,989.92, 1,763,494.24 and 727,261.60
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Solution
The fourth proportional to 1,177,989.92, 1,763,494.24 and 727,261.60 is: 1,088,737.37
Step by Step Solution
- Step 1: Write the proportion equation
1,177,989.92 : 1,763,494.24 = 727,261.60 : x - Step 2: Convert to fraction form
1,177,989.92/1,763,494.24 = 727,261.60/x - Step 3: Cross multiply
1,177,989.92x = 1,763,494.24 × 727,261.60 - Step 4: Simplify right side
1,177,989.92x = 1,282,521,642,573.18 - Step 5: Solve for x
x = 1,282,521,642,573.18/1,177,989.92 - Step 6: Final answer
x = 1,088,737.37
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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.