Finding the Fourth Proportional to 1,169,579.20, 1,754,420.64 and 328,112.32
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Solution
The fourth proportional to 1,169,579.20, 1,754,420.64 and 328,112.32 is: 492,183.02
Step by Step Solution
- Step 1: Write the proportion equation
1,169,579.20 : 1,754,420.64 = 328,112.32 : x - Step 2: Convert to fraction form
1,169,579.20/1,754,420.64 = 328,112.32/x - Step 3: Cross multiply
1,169,579.20x = 1,754,420.64 × 328,112.32 - Step 4: Simplify right side
1,169,579.20x = 575,647,026,446.29 - Step 5: Solve for x
x = 575,647,026,446.29/1,169,579.20 - Step 6: Final answer
x = 492,183.02
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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.