Finding the Fourth Proportional to 1,205,057.84, 1,663,010.42 and 661,193.48
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Solution
The fourth proportional to 1,205,057.84, 1,663,010.42 and 661,193.48 is: 912,463.80
Step by Step Solution
- Step 1: Write the proportion equation
1,205,057.84 : 1,663,010.42 = 661,193.48 : x - Step 2: Convert to fraction form
1,205,057.84/1,663,010.42 = 661,193.48/x - Step 3: Cross multiply
1,205,057.84x = 1,663,010.42 × 661,193.48 - Step 4: Simplify right side
1,205,057.84x = 1,099,571,652,686.57 - Step 5: Solve for x
x = 1,099,571,652,686.57/1,205,057.84 - Step 6: Final answer
x = 912,463.80
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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.