Finding the Fourth Proportional to 1,342,272.75, 1,852,336.70 and 738,660.75
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Solution
The fourth proportional to 1,342,272.75, 1,852,336.70 and 738,660.75 is: 1,019,352.00
Step by Step Solution
- Step 1: Write the proportion equation
1,342,272.75 : 1,852,336.70 = 738,660.75 : x - Step 2: Convert to fraction form
1,342,272.75/1,852,336.70 = 738,660.75/x - Step 3: Cross multiply
1,342,272.75x = 1,852,336.70 × 738,660.75 - Step 4: Simplify right side
1,342,272.75x = 1,368,248,412,381.22 - Step 5: Solve for x
x = 1,368,248,412,381.22/1,342,272.75 - Step 6: Final answer
x = 1,019,352.00
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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.