Finding the Fourth Proportional to 1,266,969.04, 1,747,754.40 and 783,379.60
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Solution
The fourth proportional to 1,266,969.04, 1,747,754.40 and 783,379.60 is: 1,080,653.99
Step by Step Solution
- Step 1: Write the proportion equation
1,266,969.04 : 1,747,754.40 = 783,379.60 : x - Step 2: Convert to fraction form
1,266,969.04/1,747,754.40 = 783,379.60/x - Step 3: Cross multiply
1,266,969.04x = 1,747,754.40 × 783,379.60 - Step 4: Simplify right side
1,266,969.04x = 1,369,155,142,770.24 - Step 5: Solve for x
x = 1,369,155,142,770.24/1,266,969.04 - Step 6: Final answer
x = 1,080,653.99
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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.