Finding the Fourth Proportional to 1,207,866.60, 1,812,836.70 and 534,983.40
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Solution
The fourth proportional to 1,207,866.60, 1,812,836.70 and 534,983.40 is: 802,934.32
Step by Step Solution
- Step 1: Write the proportion equation
1,207,866.60 : 1,812,836.70 = 534,983.40 : x - Step 2: Convert to fraction form
1,207,866.60/1,812,836.70 = 534,983.40/x - Step 3: Cross multiply
1,207,866.60x = 1,812,836.70 × 534,983.40 - Step 4: Simplify right side
1,207,866.60x = 969,837,541,410.78 - Step 5: Solve for x
x = 969,837,541,410.78/1,207,866.60 - Step 6: Final answer
x = 802,934.32
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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.