Finding the Fourth Proportional to 1,126,678.68, 1,554,765.84 and 617,370.12
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Solution
The fourth proportional to 1,126,678.68, 1,554,765.84 and 617,370.12 is: 851,942.96
Step by Step Solution
- Step 1: Write the proportion equation
1,126,678.68 : 1,554,765.84 = 617,370.12 : x - Step 2: Convert to fraction form
1,126,678.68/1,554,765.84 = 617,370.12/x - Step 3: Cross multiply
1,126,678.68x = 1,554,765.84 × 617,370.12 - Step 4: Simplify right side
1,126,678.68x = 959,865,973,212.70 - Step 5: Solve for x
x = 959,865,973,212.70/1,126,678.68 - Step 6: Final answer
x = 851,942.96
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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.