Finding the Fourth Proportional to 1,347,020.25, 1,858,304.84 and 823,753.83
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Solution
The fourth proportional to 1,347,020.25, 1,858,304.84 and 823,753.83 is: 1,136,423.70
Step by Step Solution
- Step 1: Write the proportion equation
1,347,020.25 : 1,858,304.84 = 823,753.83 : x - Step 2: Convert to fraction form
1,347,020.25/1,858,304.84 = 823,753.83/x - Step 3: Cross multiply
1,347,020.25x = 1,858,304.84 × 823,753.83 - Step 4: Simplify right side
1,347,020.25x = 1,530,785,732,107.41 - Step 5: Solve for x
x = 1,530,785,732,107.41/1,347,020.25 - Step 6: Final answer
x = 1,136,423.70
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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.