Finding the Fourth Proportional to 1,053,765.20, 1,575,982.20 and 885,803.60
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Solution
The fourth proportional to 1,053,765.20, 1,575,982.20 and 885,803.60 is: 1,324,783.46
Step by Step Solution
- Step 1: Write the proportion equation
1,053,765.20 : 1,575,982.20 = 885,803.60 : x - Step 2: Convert to fraction form
1,053,765.20/1,575,982.20 = 885,803.60/x - Step 3: Cross multiply
1,053,765.20x = 1,575,982.20 × 885,803.60 - Step 4: Simplify right side
1,053,765.20x = 1,396,010,706,295.92 - Step 5: Solve for x
x = 1,396,010,706,295.92/1,053,765.20 - Step 6: Final answer
x = 1,324,783.46
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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.