Finding the Fourth Proportional to 1,394,684.19, 1,924,558.56 and 782,718.77
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Solution
The fourth proportional to 1,394,684.19, 1,924,558.56 and 782,718.77 is: 1,080,092.62
Step by Step Solution
- Step 1: Write the proportion equation
1,394,684.19 : 1,924,558.56 = 782,718.77 : x - Step 2: Convert to fraction form
1,394,684.19/1,924,558.56 = 782,718.77/x - Step 3: Cross multiply
1,394,684.19x = 1,924,558.56 × 782,718.77 - Step 4: Simplify right side
1,394,684.19x = 1,506,388,099,253.38 - Step 5: Solve for x
x = 1,506,388,099,253.38/1,394,684.19 - Step 6: Final answer
x = 1,080,092.62
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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.