Finding the Fourth Proportional to 1,319,698.63, 1,821,033.57 and 738,840.99
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Solution
The fourth proportional to 1,319,698.63, 1,821,033.57 and 738,840.99 is: 1,019,516.29
Step by Step Solution
- Step 1: Write the proportion equation
1,319,698.63 : 1,821,033.57 = 738,840.99 : x - Step 2: Convert to fraction form
1,319,698.63/1,821,033.57 = 738,840.99/x - Step 3: Cross multiply
1,319,698.63x = 1,821,033.57 × 738,840.99 - Step 4: Simplify right side
1,319,698.63x = 1,345,454,253,203.57 - Step 5: Solve for x
x = 1,345,454,253,203.57/1,319,698.63 - Step 6: Final answer
x = 1,019,516.29
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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.