Finding the Fourth Proportional to 1,331,639.46, 1,837,675.89 and 719,804.07
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Solution
The fourth proportional to 1,331,639.46, 1,837,675.89 and 719,804.07 is: 993,336.88
Step by Step Solution
- Step 1: Write the proportion equation
1,331,639.46 : 1,837,675.89 = 719,804.07 : x - Step 2: Convert to fraction form
1,331,639.46/1,837,675.89 = 719,804.07/x - Step 3: Cross multiply
1,331,639.46x = 1,837,675.89 × 719,804.07 - Step 4: Simplify right side
1,331,639.46x = 1,322,766,584,962.87 - Step 5: Solve for x
x = 1,322,766,584,962.87/1,331,639.46 - Step 6: Final answer
x = 993,336.88
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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.