Finding the Fourth Proportional to 1,281,939.68, 1,921,553.58 and 482,875.50
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Solution
The fourth proportional to 1,281,939.68, 1,921,553.58 and 482,875.50 is: 723,802.50
Step by Step Solution
- Step 1: Write the proportion equation
1,281,939.68 : 1,921,553.58 = 482,875.50 : x - Step 2: Convert to fraction form
1,281,939.68/1,921,553.58 = 482,875.50/x - Step 3: Cross multiply
1,281,939.68x = 1,921,553.58 × 482,875.50 - Step 4: Simplify right side
1,281,939.68x = 927,871,145,719.29 - Step 5: Solve for x
x = 927,871,145,719.29/1,281,939.68 - Step 6: Final answer
x = 723,802.50
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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.