Finding the Fourth Proportional to 1,219,115.49, 1,828,679.31 and 499,850.07
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Solution
The fourth proportional to 1,219,115.49, 1,828,679.31 and 499,850.07 is: 749,777.60
Step by Step Solution
- Step 1: Write the proportion equation
1,219,115.49 : 1,828,679.31 = 499,850.07 : x - Step 2: Convert to fraction form
1,219,115.49/1,828,679.31 = 499,850.07/x - Step 3: Cross multiply
1,219,115.49x = 1,828,679.31 × 499,850.07 - Step 4: Simplify right side
1,219,115.49x = 914,065,481,111.05 - Step 5: Solve for x
x = 914,065,481,111.05/1,219,115.49 - Step 6: Final answer
x = 749,777.60
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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.