Finding the Fourth Proportional to 1,232,893.74, 1,701,387.50 and 689,028.96
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Solution
The fourth proportional to 1,232,893.74, 1,701,387.50 and 689,028.96 is: 950,856.69
Step by Step Solution
- Step 1: Write the proportion equation
1,232,893.74 : 1,701,387.50 = 689,028.96 : x - Step 2: Convert to fraction form
1,232,893.74/1,701,387.50 = 689,028.96/x - Step 3: Cross multiply
1,232,893.74x = 1,701,387.50 × 689,028.96 - Step 4: Simplify right side
1,232,893.74x = 1,172,305,259,682 - Step 5: Solve for x
x = 1,172,305,259,682/1,232,893.74 - Step 6: Final answer
x = 950,856.69
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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.