Finding the Fourth Proportional to 1,125,599.20, 1,688,486.72 and 326,893.92
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Solution
The fourth proportional to 1,125,599.20, 1,688,486.72 and 326,893.92 is: 490,366.41
Step by Step Solution
- Step 1: Write the proportion equation
1,125,599.20 : 1,688,486.72 = 326,893.92 : x - Step 2: Convert to fraction form
1,125,599.20/1,688,486.72 = 326,893.92/x - Step 3: Cross multiply
1,125,599.20x = 1,688,486.72 × 326,893.92 - Step 4: Simplify right side
1,125,599.20x = 551,956,042,768.74 - Step 5: Solve for x
x = 551,956,042,768.74/1,125,599.20 - Step 6: Final answer
x = 490,366.41
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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.