Finding the Fourth Proportional to 1,207,796.80, 1,809,621.60 and 575,348.80
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Solution
The fourth proportional to 1,207,796.80, 1,809,621.60 and 575,348.80 is: 862,035.42
Step by Step Solution
- Step 1: Write the proportion equation
1,207,796.80 : 1,809,621.60 = 575,348.80 : x - Step 2: Convert to fraction form
1,207,796.80/1,809,621.60 = 575,348.80/x - Step 3: Cross multiply
1,207,796.80x = 1,809,621.60 × 575,348.80 - Step 4: Simplify right side
1,207,796.80x = 1,041,163,616,014.08 - Step 5: Solve for x
x = 1,041,163,616,014.08/1,207,796.80 - Step 6: Final answer
x = 862,035.42
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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.