Finding the Fourth Proportional to 1,416,715.62, 1,955,010.63 and 772,121.97
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Solution
The fourth proportional to 1,416,715.62, 1,955,010.63 and 772,121.97 is: 1,065,497.30
Step by Step Solution
- Step 1: Write the proportion equation
1,416,715.62 : 1,955,010.63 = 772,121.97 : x - Step 2: Convert to fraction form
1,416,715.62/1,955,010.63 = 772,121.97/x - Step 3: Cross multiply
1,416,715.62x = 1,955,010.63 × 772,121.97 - Step 4: Simplify right side
1,416,715.62x = 1,509,506,661,902.00 - Step 5: Solve for x
x = 1,509,506,661,902.00/1,416,715.62 - Step 6: Final answer
x = 1,065,497.30
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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.