Finding the Fourth Proportional to 1,311,721.08, 1,810,181.10 and 738,771
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Solution
The fourth proportional to 1,311,721.08, 1,810,181.10 and 738,771 is: 1,019,507.36
Step by Step Solution
- Step 1: Write the proportion equation
1,311,721.08 : 1,810,181.10 = 738,771 : x - Step 2: Convert to fraction form
1,311,721.08/1,810,181.10 = 738,771/x - Step 3: Cross multiply
1,311,721.08x = 1,810,181.10 × 738,771 - Step 4: Simplify right side
1,311,721.08x = 1,337,309,301,428.10 - Step 5: Solve for x
x = 1,337,309,301,428.10/1,311,721.08 - Step 6: Final answer
x = 1,019,507.36
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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.