Finding the Fourth Proportional to 1,278,230.31, 1,764,596.97 and 794,951.15
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Solution
The fourth proportional to 1,278,230.31, 1,764,596.97 and 794,951.15 is: 1,097,430.07
Step by Step Solution
- Step 1: Write the proportion equation
1,278,230.31 : 1,764,596.97 = 794,951.15 : x - Step 2: Convert to fraction form
1,278,230.31/1,764,596.97 = 794,951.15/x - Step 3: Cross multiply
1,278,230.31x = 1,764,596.97 × 794,951.15 - Step 4: Simplify right side
1,278,230.31x = 1,402,768,381,765.03 - Step 5: Solve for x
x = 1,402,768,381,765.03/1,278,230.31 - Step 6: Final answer
x = 1,097,430.07
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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.