Finding the Fourth Proportional to 1,247,367.98, 1,721,366.36 and 674,406.79
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Solution
The fourth proportional to 1,247,367.98, 1,721,366.36 and 674,406.79 is: 930,680.58
Step by Step Solution
- Step 1: Write the proportion equation
1,247,367.98 : 1,721,366.36 = 674,406.79 : x - Step 2: Convert to fraction form
1,247,367.98/1,721,366.36 = 674,406.79/x - Step 3: Cross multiply
1,247,367.98x = 1,721,366.36 × 674,406.79 - Step 4: Simplify right side
1,247,367.98x = 1,160,901,149,282.72 - Step 5: Solve for x
x = 1,160,901,149,282.72/1,247,367.98 - Step 6: Final answer
x = 930,680.58
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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.