Finding the Fourth Proportional to 1,253,635.97, 1,730,170.63 and 737,365.22
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Solution
The fourth proportional to 1,253,635.97, 1,730,170.63 and 737,365.22 is: 1,017,653.99
Step by Step Solution
- Step 1: Write the proportion equation
1,253,635.97 : 1,730,170.63 = 737,365.22 : x - Step 2: Convert to fraction form
1,253,635.97/1,730,170.63 = 737,365.22/x - Step 3: Cross multiply
1,253,635.97x = 1,730,170.63 × 737,365.22 - Step 4: Simplify right side
1,253,635.97x = 1,275,767,645,986.48 - Step 5: Solve for x
x = 1,275,767,645,986.48/1,253,635.97 - Step 6: Final answer
x = 1,017,653.99
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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.