Finding the Fourth Proportional to 1,065,476.40, 1,599,121.80 and 434,842.80
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Solution
The fourth proportional to 1,065,476.40, 1,599,121.80 and 434,842.80 is: 652,634.45
Step by Step Solution
- Step 1: Write the proportion equation
1,065,476.40 : 1,599,121.80 = 434,842.80 : x - Step 2: Convert to fraction form
1,065,476.40/1,599,121.80 = 434,842.80/x - Step 3: Cross multiply
1,065,476.40x = 1,599,121.80 × 434,842.80 - Step 4: Simplify right side
1,065,476.40x = 695,366,601,053.04 - Step 5: Solve for x
x = 695,366,601,053.04/1,065,476.40 - Step 6: Final answer
x = 652,634.45
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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.