Finding the Fourth Proportional to 1,226,868.21, 1,838,810.25 and 656,848.53
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Solution
The fourth proportional to 1,226,868.21, 1,838,810.25 and 656,848.53 is: 984,473.96
Step by Step Solution
- Step 1: Write the proportion equation
1,226,868.21 : 1,838,810.25 = 656,848.53 : x - Step 2: Convert to fraction form
1,226,868.21/1,838,810.25 = 656,848.53/x - Step 3: Cross multiply
1,226,868.21x = 1,838,810.25 × 656,848.53 - Step 4: Simplify right side
1,226,868.21x = 1,207,819,809,661.43 - Step 5: Solve for x
x = 1,207,819,809,661.43/1,226,868.21 - Step 6: Final answer
x = 984,473.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.