Finding the Fourth Proportional to 1,087,499.68, 1,631,232.44 and 266,847.08
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Solution
The fourth proportional to 1,087,499.68, 1,631,232.44 and 266,847.08 is: 400,266.43
Step by Step Solution
- Step 1: Write the proportion equation
1,087,499.68 : 1,631,232.44 = 266,847.08 : x - Step 2: Convert to fraction form
1,087,499.68/1,631,232.44 = 266,847.08/x - Step 3: Cross multiply
1,087,499.68x = 1,631,232.44 × 266,847.08 - Step 4: Simplify right side
1,087,499.68x = 435,289,613,415.28 - Step 5: Solve for x
x = 435,289,613,415.28/1,087,499.68 - Step 6: Final answer
x = 400,266.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.