Finding the Fourth Proportional to 1,242,263.68, 1,863,879.36 and 494,385.28
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Solution
The fourth proportional to 1,242,263.68, 1,863,879.36 and 494,385.28 is: 741,770.47
Step by Step Solution
- Step 1: Write the proportion equation
1,242,263.68 : 1,863,879.36 = 494,385.28 : x - Step 2: Convert to fraction form
1,242,263.68/1,863,879.36 = 494,385.28/x - Step 3: Cross multiply
1,242,263.68x = 1,863,879.36 × 494,385.28 - Step 4: Simplify right side
1,242,263.68x = 921,474,519,279.82 - Step 5: Solve for x
x = 921,474,519,279.82/1,242,263.68 - Step 6: Final answer
x = 741,770.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.