Finding the Fourth Proportional to 1,368,559.98, 1,888,536.54 and 756,675.98
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Solution
The fourth proportional to 1,368,559.98, 1,888,536.54 and 756,675.98 is: 1,044,170.70
Step by Step Solution
- Step 1: Write the proportion equation
1,368,559.98 : 1,888,536.54 = 756,675.98 : x - Step 2: Convert to fraction form
1,368,559.98/1,888,536.54 = 756,675.98/x - Step 3: Cross multiply
1,368,559.98x = 1,888,536.54 × 756,675.98 - Step 4: Simplify right side
1,368,559.98x = 1,429,010,235,519.02 - Step 5: Solve for x
x = 1,429,010,235,519.02/1,368,559.98 - Step 6: Final answer
x = 1,044,170.70
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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.