Finding the Fourth Proportional to 1,361,142.52, 1,878,376.66 and 757,673.08
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Solution
The fourth proportional to 1,361,142.52, 1,878,376.66 and 757,673.08 is: 1,045,588.84
Step by Step Solution
- Step 1: Write the proportion equation
1,361,142.52 : 1,878,376.66 = 757,673.08 : x - Step 2: Convert to fraction form
1,361,142.52/1,878,376.66 = 757,673.08/x - Step 3: Cross multiply
1,361,142.52x = 1,878,376.66 × 757,673.08 - Step 4: Simplify right side
1,361,142.52x = 1,423,195,429,382.31 - Step 5: Solve for x
x = 1,423,195,429,382.31/1,361,142.52 - Step 6: Final answer
x = 1,045,588.84
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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.