Finding the Fourth Proportional to 1,328,309.26, 1,992,316.26 and 475,346.46
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Solution
The fourth proportional to 1,328,309.26, 1,992,316.26 and 475,346.46 is: 712,966.86
Step by Step Solution
- Step 1: Write the proportion equation
1,328,309.26 : 1,992,316.26 = 475,346.46 : x - Step 2: Convert to fraction form
1,328,309.26/1,992,316.26 = 475,346.46/x - Step 3: Cross multiply
1,328,309.26x = 1,992,316.26 × 475,346.46 - Step 4: Simplify right side
1,328,309.26x = 947,040,481,391.44 - Step 5: Solve for x
x = 947,040,481,391.44/1,328,309.26 - Step 6: Final answer
x = 712,966.86
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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.