Finding the Fourth Proportional to 1,406,289.75, 1,940,579.11 and 825,536.46
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Solution
The fourth proportional to 1,406,289.75, 1,940,579.11 and 825,536.46 is: 1,139,181.17
Step by Step Solution
- Step 1: Write the proportion equation
1,406,289.75 : 1,940,579.11 = 825,536.46 : x - Step 2: Convert to fraction form
1,406,289.75/1,940,579.11 = 825,536.46/x - Step 3: Cross multiply
1,406,289.75x = 1,940,579.11 × 825,536.46 - Step 4: Simplify right side
1,406,289.75x = 1,602,018,804,691.67 - Step 5: Solve for x
x = 1,602,018,804,691.67/1,406,289.75 - Step 6: Final answer
x = 1,139,181.17
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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.