Finding the Fourth Proportional to 1,269,680.97, 1,752,157.27 and 688,903.92
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Solution
The fourth proportional to 1,269,680.97, 1,752,157.27 and 688,903.92 is: 950,686.07
Step by Step Solution
- Step 1: Write the proportion equation
1,269,680.97 : 1,752,157.27 = 688,903.92 : x - Step 2: Convert to fraction form
1,269,680.97/1,752,157.27 = 688,903.92/x - Step 3: Cross multiply
1,269,680.97x = 1,752,157.27 × 688,903.92 - Step 4: Simplify right side
1,269,680.97x = 1,207,068,012,620.63 - Step 5: Solve for x
x = 1,207,068,012,620.63/1,269,680.97 - Step 6: Final answer
x = 950,686.07
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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.