Finding the Fourth Proportional to 1,332,046.70, 1,995,773.70 and 620,615.60
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Solution
The fourth proportional to 1,332,046.70, 1,995,773.70 and 620,615.60 is: 929,853.50
Step by Step Solution
- Step 1: Write the proportion equation
1,332,046.70 : 1,995,773.70 = 620,615.60 : x - Step 2: Convert to fraction form
1,332,046.70/1,995,773.70 = 620,615.60/x - Step 3: Cross multiply
1,332,046.70x = 1,995,773.70 × 620,615.60 - Step 4: Simplify right side
1,332,046.70x = 1,238,608,292,289.72 - Step 5: Solve for x
x = 1,238,608,292,289.72/1,332,046.70 - Step 6: Final answer
x = 929,853.50
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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.