Finding the Fourth Proportional to 1,316,467.08, 1,816,721.46 and 712,855.08
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Solution
The fourth proportional to 1,316,467.08, 1,816,721.46 and 712,855.08 is: 983,738.33
Step by Step Solution
- Step 1: Write the proportion equation
1,316,467.08 : 1,816,721.46 = 712,855.08 : x - Step 2: Convert to fraction form
1,316,467.08/1,816,721.46 = 712,855.08/x - Step 3: Cross multiply
1,316,467.08x = 1,816,721.46 × 712,855.08 - Step 4: Simplify right side
1,316,467.08x = 1,295,059,121,706.02 - Step 5: Solve for x
x = 1,295,059,121,706.02/1,316,467.08 - Step 6: Final answer
x = 983,738.33
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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.