Finding the Fourth Proportional to 1,379,452.63, 1,902,566.19 and 896,173.49
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Solution
The fourth proportional to 1,379,452.63, 1,902,566.19 and 896,173.49 is: 1,236,018.79
Step by Step Solution
- Step 1: Write the proportion equation
1,379,452.63 : 1,902,566.19 = 896,173.49 : x - Step 2: Convert to fraction form
1,379,452.63/1,902,566.19 = 896,173.49/x - Step 3: Cross multiply
1,379,452.63x = 1,902,566.19 × 896,173.49 - Step 4: Simplify right side
1,379,452.63x = 1,705,029,374,822.46 - Step 5: Solve for x
x = 1,705,029,374,822.46/1,379,452.63 - Step 6: Final answer
x = 1,236,018.79
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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.