Finding the Fourth Proportional to 1,230,379.20, 1,844,256.60 and 471,927.60
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Solution
The fourth proportional to 1,230,379.20, 1,844,256.60 and 471,927.60 is: 707,388.09
Step by Step Solution
- Step 1: Write the proportion equation
1,230,379.20 : 1,844,256.60 = 471,927.60 : x - Step 2: Convert to fraction form
1,230,379.20/1,844,256.60 = 471,927.60/x - Step 3: Cross multiply
1,230,379.20x = 1,844,256.60 × 471,927.60 - Step 4: Simplify right side
1,230,379.20x = 870,355,591,022.16 - Step 5: Solve for x
x = 870,355,591,022.16/1,230,379.20 - Step 6: Final answer
x = 707,388.09
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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.