Finding the Fourth Proportional to 1,340,095.19, 1,849,325.28 and 728,236.38
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Solution
The fourth proportional to 1,340,095.19, 1,849,325.28 and 728,236.38 is: 1,004,962.90
Step by Step Solution
- Step 1: Write the proportion equation
1,340,095.19 : 1,849,325.28 = 728,236.38 : x - Step 2: Convert to fraction form
1,340,095.19/1,849,325.28 = 728,236.38/x - Step 3: Cross multiply
1,340,095.19x = 1,849,325.28 × 728,236.38 - Step 4: Simplify right side
1,340,095.19x = 1,346,745,947,349.69 - Step 5: Solve for x
x = 1,346,745,947,349.69/1,340,095.19 - Step 6: Final answer
x = 1,004,962.90
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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.