Finding the Fourth Proportional to 1,276,226.28, 1,761,274.94 and 732,384.99
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Solution
The fourth proportional to 1,276,226.28, 1,761,274.94 and 732,384.99 is: 1,010,738.73
Step by Step Solution
- Step 1: Write the proportion equation
1,276,226.28 : 1,761,274.94 = 732,384.99 : x - Step 2: Convert to fraction form
1,276,226.28/1,761,274.94 = 732,384.99/x - Step 3: Cross multiply
1,276,226.28x = 1,761,274.94 × 732,384.99 - Step 4: Simplify right side
1,276,226.28x = 1,289,931,325,657.23 - Step 5: Solve for x
x = 1,289,931,325,657.23/1,276,226.28 - Step 6: Final answer
x = 1,010,738.73
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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.