Finding the Fourth Proportional to 1,078,359.80, 1,617,539.70 and 829,527.80
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Solution
The fourth proportional to 1,078,359.80, 1,617,539.70 and 829,527.80 is: 1,244,291.70
Step by Step Solution
- Step 1: Write the proportion equation
1,078,359.80 : 1,617,539.70 = 829,527.80 : x - Step 2: Convert to fraction form
1,078,359.80/1,617,539.70 = 829,527.80/x - Step 3: Cross multiply
1,078,359.80x = 1,617,539.70 × 829,527.80 - Step 4: Simplify right side
1,078,359.80x = 1,341,794,148,753.66 - Step 5: Solve for x
x = 1,341,794,148,753.66/1,078,359.80 - Step 6: Final answer
x = 1,244,291.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.