Finding the Fourth Proportional to 1,056,721.14, 1,583,861.04 and 486,910.98
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Solution
The fourth proportional to 1,056,721.14, 1,583,861.04 and 486,910.98 is: 729,804.02
Step by Step Solution
- Step 1: Write the proportion equation
1,056,721.14 : 1,583,861.04 = 486,910.98 : x - Step 2: Convert to fraction form
1,056,721.14/1,583,861.04 = 486,910.98/x - Step 3: Cross multiply
1,056,721.14x = 1,583,861.04 × 486,910.98 - Step 4: Simplify right side
1,056,721.14x = 771,199,331,170.22 - Step 5: Solve for x
x = 771,199,331,170.22/1,056,721.14 - Step 6: Final answer
x = 729,804.02
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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.