Finding the Fourth Proportional to 1,326,346.39, 1,989,517.10 and 415,598.58
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Solution
The fourth proportional to 1,326,346.39, 1,989,517.10 and 415,598.58 is: 623,397.09
Step by Step Solution
- Step 1: Write the proportion equation
1,326,346.39 : 1,989,517.10 = 415,598.58 : x - Step 2: Convert to fraction form
1,326,346.39/1,989,517.10 = 415,598.58/x - Step 3: Cross multiply
1,326,346.39x = 1,989,517.10 × 415,598.58 - Step 4: Simplify right side
1,326,346.39x = 826,840,479,567.73 - Step 5: Solve for x
x = 826,840,479,567.73/1,326,346.39 - Step 6: Final answer
x = 623,397.09
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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.