Finding the Fourth Proportional to 1,278,273.30, 1,764,053.80 and 705,350.38
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Solution
The fourth proportional to 1,278,273.30, 1,764,053.80 and 705,350.38 is: 973,403.75
Step by Step Solution
- Step 1: Write the proportion equation
1,278,273.30 : 1,764,053.80 = 705,350.38 : x - Step 2: Convert to fraction form
1,278,273.30/1,764,053.80 = 705,350.38/x - Step 3: Cross multiply
1,278,273.30x = 1,764,053.80 × 705,350.38 - Step 4: Simplify right side
1,278,273.30x = 1,244,276,018,170.44 - Step 5: Solve for x
x = 1,244,276,018,170.44/1,278,273.30 - Step 6: Final answer
x = 973,403.75
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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.