Finding the Fourth Proportional to 1,442,881.18, 1,991,234.64 and 798,290.88
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Solution
The fourth proportional to 1,442,881.18, 1,991,234.64 and 798,290.88 is: 1,101,673.84
Step by Step Solution
- Step 1: Write the proportion equation
1,442,881.18 : 1,991,234.64 = 798,290.88 : x - Step 2: Convert to fraction form
1,442,881.18/1,991,234.64 = 798,290.88/x - Step 3: Cross multiply
1,442,881.18x = 1,991,234.64 × 798,290.88 - Step 4: Simplify right side
1,442,881.18x = 1,589,584,453,052.08 - Step 5: Solve for x
x = 1,589,584,453,052.08/1,442,881.18 - Step 6: Final answer
x = 1,101,673.84
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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.