Finding the Fourth Proportional to 1,071,228.87, 1,606,852.39 and 272,511.09
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Solution
The fourth proportional to 1,071,228.87, 1,606,852.39 and 272,511.09 is: 408,768.94
Step by Step Solution
- Step 1: Write the proportion equation
1,071,228.87 : 1,606,852.39 = 272,511.09 : x - Step 2: Convert to fraction form
1,071,228.87/1,606,852.39 = 272,511.09/x - Step 3: Cross multiply
1,071,228.87x = 1,606,852.39 × 272,511.09 - Step 4: Simplify right side
1,071,228.87x = 437,885,086,871.19 - Step 5: Solve for x
x = 437,885,086,871.19/1,071,228.87 - Step 6: Final answer
x = 408,768.94
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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.