Finding the Fourth Proportional to 1,205,201.96, 1,663,174.10 and 661,346.84
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Solution
The fourth proportional to 1,205,201.96, 1,663,174.10 and 661,346.84 is: 912,656.11
Step by Step Solution
- Step 1: Write the proportion equation
1,205,201.96 : 1,663,174.10 = 661,346.84 : x - Step 2: Convert to fraction form
1,205,201.96/1,663,174.10 = 661,346.84/x - Step 3: Cross multiply
1,205,201.96x = 1,663,174.10 × 661,346.84 - Step 4: Simplify right side
1,205,201.96x = 1,099,934,923,782.24 - Step 5: Solve for x
x = 1,099,934,923,782.24/1,205,201.96 - Step 6: Final answer
x = 912,656.11
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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.