Finding the Fourth Proportional to 1,192,799.42, 1,646,070.36 and 648,939.12
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Solution
The fourth proportional to 1,192,799.42, 1,646,070.36 and 648,939.12 is: 895,539.88
Step by Step Solution
- Step 1: Write the proportion equation
1,192,799.42 : 1,646,070.36 = 648,939.12 : x - Step 2: Convert to fraction form
1,192,799.42/1,646,070.36 = 648,939.12/x - Step 3: Cross multiply
1,192,799.42x = 1,646,070.36 × 648,939.12 - Step 4: Simplify right side
1,192,799.42x = 1,068,199,450,876.48 - Step 5: Solve for x
x = 1,068,199,450,876.48/1,192,799.42 - Step 6: Final answer
x = 895,539.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.