Finding the Fourth Proportional to 1,110,159.62, 1,532,057.37 and 680,356.70
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Solution
The fourth proportional to 1,110,159.62, 1,532,057.37 and 680,356.70 is: 938,914.98
Step by Step Solution
- Step 1: Write the proportion equation
1,110,159.62 : 1,532,057.37 = 680,356.70 : x - Step 2: Convert to fraction form
1,110,159.62/1,532,057.37 = 680,356.70/x - Step 3: Cross multiply
1,110,159.62x = 1,532,057.37 × 680,356.70 - Step 4: Simplify right side
1,110,159.62x = 1,042,345,496,463.88 - Step 5: Solve for x
x = 1,042,345,496,463.88/1,110,159.62 - Step 6: Final answer
x = 938,914.98
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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.