Finding the Fourth Proportional to 1,278,655.71, 1,917,769.71 and 468,872.79
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Solution
The fourth proportional to 1,278,655.71, 1,917,769.71 and 468,872.79 is: 703,230.77
Step by Step Solution
- Step 1: Write the proportion equation
1,278,655.71 : 1,917,769.71 = 468,872.79 : x - Step 2: Convert to fraction form
1,278,655.71/1,917,769.71 = 468,872.79/x - Step 3: Cross multiply
1,278,655.71x = 1,917,769.71 × 468,872.79 - Step 4: Simplify right side
1,278,655.71x = 899,190,034,505.19 - Step 5: Solve for x
x = 899,190,034,505.19/1,278,655.71 - Step 6: Final answer
x = 703,230.77
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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.