Finding the Fourth Proportional to 1,327,245.20, 1,831,545.62 and 783,556.12
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Solution
The fourth proportional to 1,327,245.20, 1,831,545.62 and 783,556.12 is: 1,081,276.30
Step by Step Solution
- Step 1: Write the proportion equation
1,327,245.20 : 1,831,545.62 = 783,556.12 : x - Step 2: Convert to fraction form
1,327,245.20/1,831,545.62 = 783,556.12/x - Step 3: Cross multiply
1,327,245.20x = 1,831,545.62 × 783,556.12 - Step 4: Simplify right side
1,327,245.20x = 1,435,118,779,610.19 - Step 5: Solve for x
x = 1,435,118,779,610.19/1,327,245.20 - Step 6: Final answer
x = 1,081,276.30
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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.