Finding the Fourth Proportional to 1,439,267.68, 2,158,912.56 and 492,646.60
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Solution
The fourth proportional to 1,439,267.68, 2,158,912.56 and 492,646.60 is: 738,973.68
Step by Step Solution
- Step 1: Write the proportion equation
1,439,267.68 : 2,158,912.56 = 492,646.60 : x - Step 2: Convert to fraction form
1,439,267.68/2,158,912.56 = 492,646.60/x - Step 3: Cross multiply
1,439,267.68x = 2,158,912.56 × 492,646.60 - Step 4: Simplify right side
1,439,267.68x = 1,063,580,932,381.30 - Step 5: Solve for x
x = 1,063,580,932,381.30/1,439,267.68 - Step 6: Final answer
x = 738,973.68
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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.