Finding the Fourth Proportional to 1,368,742.85, 1,888,877.42 and 756,937.04
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Solution
The fourth proportional to 1,368,742.85, 1,888,877.42 and 756,937.04 is: 1,044,579.90
Step by Step Solution
- Step 1: Write the proportion equation
1,368,742.85 : 1,888,877.42 = 756,937.04 : x - Step 2: Convert to fraction form
1,368,742.85/1,888,877.42 = 756,937.04/x - Step 3: Cross multiply
1,368,742.85x = 1,888,877.42 × 756,937.04 - Step 4: Simplify right side
1,368,742.85x = 1,429,761,272,827.08 - Step 5: Solve for x
x = 1,429,761,272,827.08/1,368,742.85 - Step 6: Final answer
x = 1,044,579.90
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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.