Finding the Fourth Proportional to 1,136,586.68, 1,568,692.80 and 677,730.79
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Solution
The fourth proportional to 1,136,586.68, 1,568,692.80 and 677,730.79 is: 935,389.65
Step by Step Solution
- Step 1: Write the proportion equation
1,136,586.68 : 1,568,692.80 = 677,730.79 : x - Step 2: Convert to fraction form
1,136,586.68/1,568,692.80 = 677,730.79/x - Step 3: Cross multiply
1,136,586.68x = 1,568,692.80 × 677,730.79 - Step 4: Simplify right side
1,136,586.68x = 1,063,151,406,689.58 - Step 5: Solve for x
x = 1,063,151,406,689.58/1,136,586.68 - Step 6: Final answer
x = 935,389.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.