Finding the Fourth Proportional to 1,376,462.80, 1,899,822.18 and 764,825.68
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Solution
The fourth proportional to 1,376,462.80, 1,899,822.18 and 764,825.68 is: 1,055,628.09
Step by Step Solution
- Step 1: Write the proportion equation
1,376,462.80 : 1,899,822.18 = 764,825.68 : x - Step 2: Convert to fraction form
1,376,462.80/1,899,822.18 = 764,825.68/x - Step 3: Cross multiply
1,376,462.80x = 1,899,822.18 × 764,825.68 - Step 4: Simplify right side
1,376,462.80x = 1,453,032,790,697.58 - Step 5: Solve for x
x = 1,453,032,790,697.58/1,376,462.80 - Step 6: Final answer
x = 1,055,628.09
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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.