Finding the Fourth Proportional to 1,228,664.36, 1,843,826.97 and 429,952.97
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Solution
The fourth proportional to 1,228,664.36, 1,843,826.97 and 429,952.97 is: 645,220.05
Step by Step Solution
- Step 1: Write the proportion equation
1,228,664.36 : 1,843,826.97 = 429,952.97 : x - Step 2: Convert to fraction form
1,228,664.36/1,843,826.97 = 429,952.97/x - Step 3: Cross multiply
1,228,664.36x = 1,843,826.97 × 429,952.97 - Step 4: Simplify right side
1,228,664.36x = 792,758,881,917.60 - Step 5: Solve for x
x = 792,758,881,917.60/1,228,664.36 - Step 6: Final answer
x = 645,220.05
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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.