Finding the Fourth Proportional to 1,260,828.68, 1,739,872.65 and 717,096.74
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Solution
The fourth proportional to 1,260,828.68, 1,739,872.65 and 717,096.74 is: 989,553.16
Step by Step Solution
- Step 1: Write the proportion equation
1,260,828.68 : 1,739,872.65 = 717,096.74 : x - Step 2: Convert to fraction form
1,260,828.68/1,739,872.65 = 717,096.74/x - Step 3: Cross multiply
1,260,828.68x = 1,739,872.65 × 717,096.74 - Step 4: Simplify right side
1,260,828.68x = 1,247,656,996,630.80 - Step 5: Solve for x
x = 1,247,656,996,630.80/1,260,828.68 - Step 6: Final answer
x = 989,553.16
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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.