Finding the Fourth Proportional to 1,311,376.23, 1,965,897.34 and 512,476.07
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Solution
The fourth proportional to 1,311,376.23, 1,965,897.34 and 512,476.07 is: 768,258.04
Step by Step Solution
- Step 1: Write the proportion equation
1,311,376.23 : 1,965,897.34 = 512,476.07 : x - Step 2: Convert to fraction form
1,311,376.23/1,965,897.34 = 512,476.07/x - Step 3: Cross multiply
1,311,376.23x = 1,965,897.34 × 512,476.07 - Step 4: Simplify right side
1,311,376.23x = 1,007,475,331,715.98 - Step 5: Solve for x
x = 1,007,475,331,715.98/1,311,376.23 - Step 6: Final answer
x = 768,258.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.