Finding the Fourth Proportional to 1,255,914.80, 1,883,872.20 and 724,473.80
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Solution
The fourth proportional to 1,255,914.80, 1,883,872.20 and 724,473.80 is: 1,086,710.70
Step by Step Solution
- Step 1: Write the proportion equation
1,255,914.80 : 1,883,872.20 = 724,473.80 : x - Step 2: Convert to fraction form
1,255,914.80/1,883,872.20 = 724,473.80/x - Step 3: Cross multiply
1,255,914.80x = 1,883,872.20 × 724,473.80 - Step 4: Simplify right side
1,255,914.80x = 1,364,816,051,448.36 - Step 5: Solve for x
x = 1,364,816,051,448.36/1,255,914.80 - Step 6: Final answer
x = 1,086,710.70
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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.