Finding the Fourth Proportional to 1,503,570.56, 2,255,363.40 and 381,639.92
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Solution
The fourth proportional to 1,503,570.56, 2,255,363.40 and 381,639.92 is: 572,461.80
Step by Step Solution
- Step 1: Write the proportion equation
1,503,570.56 : 2,255,363.40 = 381,639.92 : x - Step 2: Convert to fraction form
1,503,570.56/2,255,363.40 = 381,639.92/x - Step 3: Cross multiply
1,503,570.56x = 2,255,363.40 × 381,639.92 - Step 4: Simplify right side
1,503,570.56x = 860,736,707,546.93 - Step 5: Solve for x
x = 860,736,707,546.93/1,503,570.56 - Step 6: Final answer
x = 572,461.80
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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.