Finding the Fourth Proportional to 1,368,542.12, 1,888,554.70 and 756,679.34
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Solution
The fourth proportional to 1,368,542.12, 1,888,554.70 and 756,679.34 is: 1,044,199.01
Step by Step Solution
- Step 1: Write the proportion equation
1,368,542.12 : 1,888,554.70 = 756,679.34 : x - Step 2: Convert to fraction form
1,368,542.12/1,888,554.70 = 756,679.34/x - Step 3: Cross multiply
1,368,542.12x = 1,888,554.70 × 756,679.34 - Step 4: Simplify right side
1,368,542.12x = 1,429,030,323,949.90 - Step 5: Solve for x
x = 1,429,030,323,949.90/1,368,542.12 - Step 6: Final answer
x = 1,044,199.01
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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.