Finding the Fourth Proportional to 1,125,939.60, 1,689,020.28 and 327,228.12
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Solution
The fourth proportional to 1,125,939.60, 1,689,020.28 and 327,228.12 is: 490,874.40
Step by Step Solution
- Step 1: Write the proportion equation
1,125,939.60 : 1,689,020.28 = 327,228.12 : x - Step 2: Convert to fraction form
1,125,939.60/1,689,020.28 = 327,228.12/x - Step 3: Cross multiply
1,125,939.60x = 1,689,020.28 × 327,228.12 - Step 4: Simplify right side
1,125,939.60x = 552,694,930,866.27 - Step 5: Solve for x
x = 552,694,930,866.27/1,125,939.60 - Step 6: Final answer
x = 490,874.40
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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.