Finding the Fourth Proportional to 1,134,961.04, 1,702,830.36 and 387,531.92
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Solution
The fourth proportional to 1,134,961.04, 1,702,830.36 and 387,531.92 is: 581,430.64
Step by Step Solution
- Step 1: Write the proportion equation
1,134,961.04 : 1,702,830.36 = 387,531.92 : x - Step 2: Convert to fraction form
1,134,961.04/1,702,830.36 = 387,531.92/x - Step 3: Cross multiply
1,134,961.04x = 1,702,830.36 × 387,531.92 - Step 4: Simplify right side
1,134,961.04x = 659,901,118,845.09 - Step 5: Solve for x
x = 659,901,118,845.09/1,134,961.04 - Step 6: Final answer
x = 581,430.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.