Finding the Fourth Proportional to 1,349,115.08, 1,861,896.66 and 745,619.72
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Solution
The fourth proportional to 1,349,115.08, 1,861,896.66 and 745,619.72 is: 1,029,020.35
Step by Step Solution
- Step 1: Write the proportion equation
1,349,115.08 : 1,861,896.66 = 745,619.72 : x - Step 2: Convert to fraction form
1,349,115.08/1,861,896.66 = 745,619.72/x - Step 3: Cross multiply
1,349,115.08x = 1,861,896.66 × 745,619.72 - Step 4: Simplify right side
1,349,115.08x = 1,388,266,866,298.14 - Step 5: Solve for x
x = 1,388,266,866,298.14/1,349,115.08 - Step 6: Final answer
x = 1,029,020.35
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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.