Finding the Fourth Proportional to 1,256,013.60, 1,884,457.80 and 546,550.80
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Solution
The fourth proportional to 1,256,013.60, 1,884,457.80 and 546,550.80 is: 820,016.53
Step by Step Solution
- Step 1: Write the proportion equation
1,256,013.60 : 1,884,457.80 = 546,550.80 : x - Step 2: Convert to fraction form
1,256,013.60/1,884,457.80 = 546,550.80/x - Step 3: Cross multiply
1,256,013.60x = 1,884,457.80 × 546,550.80 - Step 4: Simplify right side
1,256,013.60x = 1,029,951,918,156.24 - Step 5: Solve for x
x = 1,029,951,918,156.24/1,256,013.60 - Step 6: Final answer
x = 820,016.53
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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.