Finding the Fourth Proportional to 1,074,373.26, 1,611,743.49 and 442,941.90
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Solution
The fourth proportional to 1,074,373.26, 1,611,743.49 and 442,941.90 is: 664,488.54
Step by Step Solution
- Step 1: Write the proportion equation
1,074,373.26 : 1,611,743.49 = 442,941.90 : x - Step 2: Convert to fraction form
1,074,373.26/1,611,743.49 = 442,941.90/x - Step 3: Cross multiply
1,074,373.26x = 1,611,743.49 × 442,941.90 - Step 4: Simplify right side
1,074,373.26x = 713,908,723,773.23 - Step 5: Solve for x
x = 713,908,723,773.23/1,074,373.26 - Step 6: Final answer
x = 664,488.54
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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.