Finding the Fourth Proportional to 1,354,883.26, 1,869,764.55 and 742,997.26
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Solution
The fourth proportional to 1,354,883.26, 1,869,764.55 and 742,997.26 is: 1,025,350.29
Step by Step Solution
- Step 1: Write the proportion equation
1,354,883.26 : 1,869,764.55 = 742,997.26 : x - Step 2: Convert to fraction form
1,354,883.26/1,869,764.55 = 742,997.26/x - Step 3: Cross multiply
1,354,883.26x = 1,869,764.55 × 742,997.26 - Step 4: Simplify right side
1,354,883.26x = 1,389,229,937,495.13 - Step 5: Solve for x
x = 1,389,229,937,495.13/1,354,883.26 - Step 6: Final answer
x = 1,025,350.29
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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.