Finding the Fourth Proportional to 1,442,880.93, 1,991,234.30 and 798,290.63
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Solution
The fourth proportional to 1,442,880.93, 1,991,234.30 and 798,290.63 is: 1,101,673.49
Step by Step Solution
- Step 1: Write the proportion equation
1,442,880.93 : 1,991,234.30 = 798,290.63 : x - Step 2: Convert to fraction form
1,442,880.93/1,991,234.30 = 798,290.63/x - Step 3: Cross multiply
1,442,880.93x = 1,991,234.30 × 798,290.63 - Step 4: Simplify right side
1,442,880.93x = 1,589,583,669,876.98 - Step 5: Solve for x
x = 1,589,583,669,876.98/1,442,880.93 - Step 6: Final answer
x = 1,101,673.49
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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.