Finding the Fourth Proportional to 1,228,212.24, 1,694,907.36 and 684,345.84
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Solution
The fourth proportional to 1,228,212.24, 1,694,907.36 and 684,345.84 is: 944,383.03
Step by Step Solution
- Step 1: Write the proportion equation
1,228,212.24 : 1,694,907.36 = 684,345.84 : x - Step 2: Convert to fraction form
1,228,212.24/1,694,907.36 = 684,345.84/x - Step 3: Cross multiply
1,228,212.24x = 1,694,907.36 × 684,345.84 - Step 4: Simplify right side
1,228,212.24x = 1,159,902,801,001.38 - Step 5: Solve for x
x = 1,159,902,801,001.38/1,228,212.24 - Step 6: Final answer
x = 944,383.03
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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.