Finding the Fourth Proportional to 1,197,629.66, 1,652,717.58 and 738,560.72
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Solution
The fourth proportional to 1,197,629.66, 1,652,717.58 and 738,560.72 is: 1,019,206.79
Step by Step Solution
- Step 1: Write the proportion equation
1,197,629.66 : 1,652,717.58 = 738,560.72 : x - Step 2: Convert to fraction form
1,197,629.66/1,652,717.58 = 738,560.72/x - Step 3: Cross multiply
1,197,629.66x = 1,652,717.58 × 738,560.72 - Step 4: Simplify right side
1,197,629.66x = 1,220,632,285,841.46 - Step 5: Solve for x
x = 1,220,632,285,841.46/1,197,629.66 - Step 6: Final answer
x = 1,019,206.79
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1.5x scale
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.