Finding the Fourth Proportional to 1,245,773.80, 1,868,660.70 and 930,845.80
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Solution
The fourth proportional to 1,245,773.80, 1,868,660.70 and 930,845.80 is: 1,396,268.70
Step by Step Solution
- Step 1: Write the proportion equation
1,245,773.80 : 1,868,660.70 = 930,845.80 : x - Step 2: Convert to fraction form
1,245,773.80/1,868,660.70 = 930,845.80/x - Step 3: Cross multiply
1,245,773.80x = 1,868,660.70 × 930,845.80 - Step 4: Simplify right side
1,245,773.80x = 1,739,434,964,220.06 - Step 5: Solve for x
x = 1,739,434,964,220.06/1,245,773.80 - Step 6: Final answer
x = 1,396,268.70
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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.