Finding the Fourth Proportional to 1,080,543.40, 1,618,676.70 and 947,573.80
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Solution
The fourth proportional to 1,080,543.40, 1,618,676.70 and 947,573.80 is: 1,419,485.45
Step by Step Solution
- Step 1: Write the proportion equation
1,080,543.40 : 1,618,676.70 = 947,573.80 : x - Step 2: Convert to fraction form
1,080,543.40/1,618,676.70 = 947,573.80/x - Step 3: Cross multiply
1,080,543.40x = 1,618,676.70 × 947,573.80 - Step 4: Simplify right side
1,080,543.40x = 1,533,815,631,590.46 - Step 5: Solve for x
x = 1,533,815,631,590.46/1,080,543.40 - Step 6: Final answer
x = 1,419,485.45
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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.