Finding the Fourth Proportional to 1,027,321.80, 1,540,982.70 and 965,113.80
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Solution
The fourth proportional to 1,027,321.80, 1,540,982.70 and 965,113.80 is: 1,447,670.70
Step by Step Solution
- Step 1: Write the proportion equation
1,027,321.80 : 1,540,982.70 = 965,113.80 : x - Step 2: Convert to fraction form
1,027,321.80/1,540,982.70 = 965,113.80/x - Step 3: Cross multiply
1,027,321.80x = 1,540,982.70 × 965,113.80 - Step 4: Simplify right side
1,027,321.80x = 1,487,223,669,331.26 - Step 5: Solve for x
x = 1,487,223,669,331.26/1,027,321.80 - Step 6: Final answer
x = 1,447,670.70
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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.