Finding the Fourth Proportional to 1,352,373.76, 2,028,583.68 and 511,321.60
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Solution
The fourth proportional to 1,352,373.76, 2,028,583.68 and 511,321.60 is: 766,991.11
Step by Step Solution
- Step 1: Write the proportion equation
1,352,373.76 : 2,028,583.68 = 511,321.60 : x - Step 2: Convert to fraction form
1,352,373.76/2,028,583.68 = 511,321.60/x - Step 3: Cross multiply
1,352,373.76x = 2,028,583.68 × 511,321.60 - Step 4: Simplify right side
1,352,373.76x = 1,037,258,652,991.49 - Step 5: Solve for x
x = 1,037,258,652,991.49/1,352,373.76 - Step 6: Final answer
x = 766,991.11
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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.