Finding the Fourth Proportional to 1,224,074.70, 1,835,631.18 and 414,236.07
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Solution
The fourth proportional to 1,224,074.70, 1,835,631.18 and 414,236.07 is: 621,191.37
Step by Step Solution
- Step 1: Write the proportion equation
1,224,074.70 : 1,835,631.18 = 414,236.07 : x - Step 2: Convert to fraction form
1,224,074.70/1,835,631.18 = 414,236.07/x - Step 3: Cross multiply
1,224,074.70x = 1,835,631.18 × 414,236.07 - Step 4: Simplify right side
1,224,074.70x = 760,384,645,972.66 - Step 5: Solve for x
x = 760,384,645,972.66/1,224,074.70 - Step 6: Final answer
x = 621,191.37
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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.