Finding the Fourth Proportional to 1,219,052.88, 1,828,699.50 and 420,229.26
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Solution
The fourth proportional to 1,219,052.88, 1,828,699.50 and 420,229.26 is: 630,385.32
Step by Step Solution
- Step 1: Write the proportion equation
1,219,052.88 : 1,828,699.50 = 420,229.26 : x - Step 2: Convert to fraction form
1,219,052.88/1,828,699.50 = 420,229.26/x - Step 3: Cross multiply
1,219,052.88x = 1,828,699.50 × 420,229.26 - Step 4: Simplify right side
1,219,052.88x = 768,473,037,647.37 - Step 5: Solve for x
x = 768,473,037,647.37/1,219,052.88 - Step 6: Final answer
x = 630,385.32
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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.