Finding the Fourth Proportional to 1,193,485.68, 1,790,228.52 and 351,971.82
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Solution
The fourth proportional to 1,193,485.68, 1,790,228.52 and 351,971.82 is: 527,957.73
Step by Step Solution
- Step 1: Write the proportion equation
1,193,485.68 : 1,790,228.52 = 351,971.82 : x - Step 2: Convert to fraction form
1,193,485.68/1,790,228.52 = 351,971.82/x - Step 3: Cross multiply
1,193,485.68x = 1,790,228.52 × 351,971.82 - Step 4: Simplify right side
1,193,485.68x = 630,109,990,400.31 - Step 5: Solve for x
x = 630,109,990,400.31/1,193,485.68 - Step 6: Final answer
x = 527,957.73
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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.