Finding the Fourth Proportional to 1,119,538.87, 1,543,742.71 and 756,332.08
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Solution
The fourth proportional to 1,119,538.87, 1,543,742.71 and 756,332.08 is: 1,042,913.44
Step by Step Solution
- Step 1: Write the proportion equation
1,119,538.87 : 1,543,742.71 = 756,332.08 : x - Step 2: Convert to fraction form
1,119,538.87/1,543,742.71 = 756,332.08/x - Step 3: Cross multiply
1,119,538.87x = 1,543,742.71 × 756,332.08 - Step 4: Simplify right side
1,119,538.87x = 1,167,582,134,839.14 - Step 5: Solve for x
x = 1,167,582,134,839.14/1,119,538.87 - Step 6: Final answer
x = 1,042,913.44
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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.