Finding the Fourth Proportional to 1,162,135.80, 1,743,203.70 and 847,207.80
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Solution
The fourth proportional to 1,162,135.80, 1,743,203.70 and 847,207.80 is: 1,270,811.70
Step by Step Solution
- Step 1: Write the proportion equation
1,162,135.80 : 1,743,203.70 = 847,207.80 : x - Step 2: Convert to fraction form
1,162,135.80/1,743,203.70 = 847,207.80/x - Step 3: Cross multiply
1,162,135.80x = 1,743,203.70 × 847,207.80 - Step 4: Simplify right side
1,162,135.80x = 1,476,855,771,628.86 - Step 5: Solve for x
x = 1,476,855,771,628.86/1,162,135.80 - Step 6: Final answer
x = 1,270,811.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.