Finding the Fourth Proportional to 1,394,450.64, 1,924,317.96 and 782,617.68
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Solution
The fourth proportional to 1,394,450.64, 1,924,317.96 and 782,617.68 is: 1,079,998.97
Step by Step Solution
- Step 1: Write the proportion equation
1,394,450.64 : 1,924,317.96 = 782,617.68 : x - Step 2: Convert to fraction form
1,394,450.64/1,924,317.96 = 782,617.68/x - Step 3: Cross multiply
1,394,450.64x = 1,924,317.96 × 782,617.68 - Step 4: Simplify right side
1,394,450.64x = 1,506,005,257,437.53 - Step 5: Solve for x
x = 1,506,005,257,437.53/1,394,450.64 - Step 6: Final answer
x = 1,079,998.97
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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.