Finding the Fourth Proportional to 1,047,739.96, 1,446,235.14 and 680,719.24
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Solution
The fourth proportional to 1,047,739.96, 1,446,235.14 and 680,719.24 is: 939,622.54
Step by Step Solution
- Step 1: Write the proportion equation
1,047,739.96 : 1,446,235.14 = 680,719.24 : x - Step 2: Convert to fraction form
1,047,739.96/1,446,235.14 = 680,719.24/x - Step 3: Cross multiply
1,047,739.96x = 1,446,235.14 × 680,719.24 - Step 4: Simplify right side
1,047,739.96x = 984,480,085,362.09 - Step 5: Solve for x
x = 984,480,085,362.09/1,047,739.96 - Step 6: Final answer
x = 939,622.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.