Finding the Fourth Proportional to 1,177,601.40, 1,764,587.70 and 876,670.20
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Solution
The fourth proportional to 1,177,601.40, 1,764,587.70 and 876,670.20 is: 1,313,654.56
Step by Step Solution
- Step 1: Write the proportion equation
1,177,601.40 : 1,764,587.70 = 876,670.20 : x - Step 2: Convert to fraction form
1,177,601.40/1,764,587.70 = 876,670.20/x - Step 3: Cross multiply
1,177,601.40x = 1,764,587.70 × 876,670.20 - Step 4: Simplify right side
1,177,601.40x = 1,546,961,451,876.54 - Step 5: Solve for x
x = 1,546,961,451,876.54/1,177,601.40 - Step 6: Final answer
x = 1,313,654.56
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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.