Finding the Fourth Proportional to 1,212,356.31, 1,673,163.95 and 696,177.84
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Solution
The fourth proportional to 1,212,356.31, 1,673,163.95 and 696,177.84 is: 960,789.87
Step by Step Solution
- Step 1: Write the proportion equation
1,212,356.31 : 1,673,163.95 = 696,177.84 : x - Step 2: Convert to fraction form
1,212,356.31/1,673,163.95 = 696,177.84/x - Step 3: Cross multiply
1,212,356.31x = 1,673,163.95 × 696,177.84 - Step 4: Simplify right side
1,212,356.31x = 1,164,819,664,676.87 - Step 5: Solve for x
x = 1,164,819,664,676.87/1,212,356.31 - Step 6: Final answer
x = 960,789.87
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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.