Finding the Fourth Proportional to 1,022,612.40, 1,534,096.80 and 423,244.80
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Solution
The fourth proportional to 1,022,612.40, 1,534,096.80 and 423,244.80 is: 634,940.95
Step by Step Solution
- Step 1: Write the proportion equation
1,022,612.40 : 1,534,096.80 = 423,244.80 : x - Step 2: Convert to fraction form
1,022,612.40/1,534,096.80 = 423,244.80/x - Step 3: Cross multiply
1,022,612.40x = 1,534,096.80 × 423,244.80 - Step 4: Simplify right side
1,022,612.40x = 649,298,493,296.64 - Step 5: Solve for x
x = 649,298,493,296.64/1,022,612.40 - Step 6: Final answer
x = 634,940.95
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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.