Finding the Fourth Proportional to 1,296,288.95, 1,788,611.67 and 744,898.05
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Solution
The fourth proportional to 1,296,288.95, 1,788,611.67 and 744,898.05 is: 1,027,805.84
Step by Step Solution
- Step 1: Write the proportion equation
1,296,288.95 : 1,788,611.67 = 744,898.05 : x - Step 2: Convert to fraction form
1,296,288.95/1,788,611.67 = 744,898.05/x - Step 3: Cross multiply
1,296,288.95x = 1,788,611.67 × 744,898.05 - Step 4: Simplify right side
1,296,288.95x = 1,332,333,345,190.24 - Step 5: Solve for x
x = 1,332,333,345,190.24/1,296,288.95 - Step 6: Final answer
x = 1,027,805.84
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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.