Finding the Fourth Proportional to 1,418,487.52, 2,125,958.20 and 911,699.68
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Solution
The fourth proportional to 1,418,487.52, 2,125,958.20 and 911,699.68 is: 1,366,409.91
Step by Step Solution
- Step 1: Write the proportion equation
1,418,487.52 : 2,125,958.20 = 911,699.68 : x - Step 2: Convert to fraction form
1,418,487.52/2,125,958.20 = 911,699.68/x - Step 3: Cross multiply
1,418,487.52x = 2,125,958.20 × 911,699.68 - Step 4: Simplify right side
1,418,487.52x = 1,938,235,410,633.38 - Step 5: Solve for x
x = 1,938,235,410,633.38/1,418,487.52 - Step 6: Final answer
x = 1,366,409.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.