Finding the Fourth Proportional to 1,531,939.20, 2,297,244.08 and 520,789.53
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Solution
The fourth proportional to 1,531,939.20, 2,297,244.08 and 520,789.53 is: 780,958.31
Step by Step Solution
- Step 1: Write the proportion equation
1,531,939.20 : 2,297,244.08 = 520,789.53 : x - Step 2: Convert to fraction form
1,531,939.20/2,297,244.08 = 520,789.53/x - Step 3: Cross multiply
1,531,939.20x = 2,297,244.08 × 520,789.53 - Step 4: Simplify right side
1,531,939.20x = 1,196,380,650,628.31 - Step 5: Solve for x
x = 1,196,380,650,628.31/1,531,939.20 - Step 6: Final answer
x = 780,958.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.