Finding the Fourth Proportional to 1,138,849.84, 1,571,537.88 and 655,336.96
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Solution
The fourth proportional to 1,138,849.84, 1,571,537.88 and 655,336.96 is: 904,321.90
Step by Step Solution
- Step 1: Write the proportion equation
1,138,849.84 : 1,571,537.88 = 655,336.96 : x - Step 2: Convert to fraction form
1,138,849.84/1,571,537.88 = 655,336.96/x - Step 3: Cross multiply
1,138,849.84x = 1,571,537.88 × 655,336.96 - Step 4: Simplify right side
1,138,849.84x = 1,029,886,856,804.04 - Step 5: Solve for x
x = 1,029,886,856,804.04/1,138,849.84 - Step 6: Final answer
x = 904,321.90
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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.