Finding the Fourth Proportional to 1,265,617.09, 1,898,622.84 and 412,490.81
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Solution
The fourth proportional to 1,265,617.09, 1,898,622.84 and 412,490.81 is: 618,800.49
Step by Step Solution
- Step 1: Write the proportion equation
1,265,617.09 : 1,898,622.84 = 412,490.81 : x - Step 2: Convert to fraction form
1,265,617.09/1,898,622.84 = 412,490.81/x - Step 3: Cross multiply
1,265,617.09x = 1,898,622.84 × 412,490.81 - Step 4: Simplify right side
1,265,617.09x = 783,164,475,734.66 - Step 5: Solve for x
x = 783,164,475,734.66/1,265,617.09 - Step 6: Final answer
x = 618,800.49
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.