Finding the Fourth Proportional to 1,235,338.74, 1,853,327.58 and 723,436.20
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Solution
The fourth proportional to 1,235,338.74, 1,853,327.58 and 723,436.20 is: 1,085,341.39
Step by Step Solution
- Step 1: Write the proportion equation
1,235,338.74 : 1,853,327.58 = 723,436.20 : x - Step 2: Convert to fraction form
1,235,338.74/1,853,327.58 = 723,436.20/x - Step 3: Cross multiply
1,235,338.74x = 1,853,327.58 × 723,436.20 - Step 4: Simplify right side
1,235,338.74x = 1,340,764,261,830.40 - Step 5: Solve for x
x = 1,340,764,261,830.40/1,235,338.74 - Step 6: Final answer
x = 1,085,341.39
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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.