Finding the Fourth Proportional to 1,148,285.61, 1,584,915.38 and 889,650.99
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Solution
The fourth proportional to 1,148,285.61, 1,584,915.38 and 889,650.99 is: 1,227,936.26
Step by Step Solution
- Step 1: Write the proportion equation
1,148,285.61 : 1,584,915.38 = 889,650.99 : x - Step 2: Convert to fraction form
1,148,285.61/1,584,915.38 = 889,650.99/x - Step 3: Cross multiply
1,148,285.61x = 1,584,915.38 × 889,650.99 - Step 4: Simplify right side
1,148,285.61x = 1,410,021,536,883.23 - Step 5: Solve for x
x = 1,410,021,536,883.23/1,148,285.61 - Step 6: Final answer
x = 1,227,936.26
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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.