Finding the Fourth Proportional to 1,192,874.32, 1,646,211.84 and 683,674.96
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Solution
The fourth proportional to 1,192,874.32, 1,646,211.84 and 683,674.96 is: 943,497.40
Step by Step Solution
- Step 1: Write the proportion equation
1,192,874.32 : 1,646,211.84 = 683,674.96 : x - Step 2: Convert to fraction form
1,192,874.32/1,646,211.84 = 683,674.96/x - Step 3: Cross multiply
1,192,874.32x = 1,646,211.84 × 683,674.96 - Step 4: Simplify right side
1,192,874.32x = 1,125,473,813,863.53 - Step 5: Solve for x
x = 1,125,473,813,863.53/1,192,874.32 - Step 6: Final answer
x = 943,497.40
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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.