Finding the Fourth Proportional to 1,245,685.36, 1,868,528 and 299,056.08
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Solution
The fourth proportional to 1,245,685.36, 1,868,528 and 299,056.08 is: 448,584.11
Step by Step Solution
- Step 1: Write the proportion equation
1,245,685.36 : 1,868,528 = 299,056.08 : x - Step 2: Convert to fraction form
1,245,685.36/1,868,528 = 299,056.08/x - Step 3: Cross multiply
1,245,685.36x = 1,868,528 × 299,056.08 - Step 4: Simplify right side
1,245,685.36x = 558,794,659,050.24 - Step 5: Solve for x
x = 558,794,659,050.24/1,245,685.36 - Step 6: Final answer
x = 448,584.11
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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.