Finding the Fourth Proportional to 1,151,717.12, 1,727,907.74 and 353,116.52
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Solution
The fourth proportional to 1,151,717.12, 1,727,907.74 and 353,116.52 is: 529,776.59
Step by Step Solution
- Step 1: Write the proportion equation
1,151,717.12 : 1,727,907.74 = 353,116.52 : x - Step 2: Convert to fraction form
1,151,717.12/1,727,907.74 = 353,116.52/x - Step 3: Cross multiply
1,151,717.12x = 1,727,907.74 × 353,116.52 - Step 4: Simplify right side
1,151,717.12x = 610,152,768,029.87 - Step 5: Solve for x
x = 610,152,768,029.87/1,151,717.12 - Step 6: Final answer
x = 529,776.59
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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.