Finding the Fourth Proportional to 1,403,464.75, 1,936,779.99 and 758,883.40
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Solution
The fourth proportional to 1,403,464.75, 1,936,779.99 and 758,883.40 is: 1,047,258.35
Step by Step Solution
- Step 1: Write the proportion equation
1,403,464.75 : 1,936,779.99 = 758,883.40 : x - Step 2: Convert to fraction form
1,403,464.75/1,936,779.99 = 758,883.40/x - Step 3: Cross multiply
1,403,464.75x = 1,936,779.99 × 758,883.40 - Step 4: Simplify right side
1,403,464.75x = 1,469,790,183,863.17 - Step 5: Solve for x
x = 1,469,790,183,863.17/1,403,464.75 - Step 6: Final answer
x = 1,047,258.35
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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.