Finding the Fourth Proportional to 1,252,741.68, 1,878,876.36 and 354,176.28
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Solution
The fourth proportional to 1,252,741.68, 1,878,876.36 and 354,176.28 is: 531,197.65
Step by Step Solution
- Step 1: Write the proportion equation
1,252,741.68 : 1,878,876.36 = 354,176.28 : x - Step 2: Convert to fraction form
1,252,741.68/1,878,876.36 = 354,176.28/x - Step 3: Cross multiply
1,252,741.68x = 1,878,876.36 × 354,176.28 - Step 4: Simplify right side
1,252,741.68x = 665,453,439,764.74 - Step 5: Solve for x
x = 665,453,439,764.74/1,252,741.68 - Step 6: Final answer
x = 531,197.65
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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.