Finding the Fourth Proportional to 1,439,124.75, 1,985,979.24 and 794,531.07
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Solution
The fourth proportional to 1,439,124.75, 1,985,979.24 and 794,531.07 is: 1,096,445.75
Step by Step Solution
- Step 1: Write the proportion equation
1,439,124.75 : 1,985,979.24 = 794,531.07 : x - Step 2: Convert to fraction form
1,439,124.75/1,985,979.24 = 794,531.07/x - Step 3: Cross multiply
1,439,124.75x = 1,985,979.24 × 794,531.07 - Step 4: Simplify right side
1,439,124.75x = 1,577,922,210,554.99 - Step 5: Solve for x
x = 1,577,922,210,554.99/1,439,124.75 - Step 6: Final answer
x = 1,096,445.75
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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.