Finding the Fourth Proportional to 1,282,009.68, 1,921,658.58 and 482,945.76
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Solution
The fourth proportional to 1,282,009.68, 1,921,658.58 and 482,945.76 is: 723,907.84
Step by Step Solution
- Step 1: Write the proportion equation
1,282,009.68 : 1,921,658.58 = 482,945.76 : x - Step 2: Convert to fraction form
1,282,009.68/1,921,658.58 = 482,945.76/x - Step 3: Cross multiply
1,282,009.68x = 1,921,658.58 × 482,945.76 - Step 4: Simplify right side
1,282,009.68x = 928,056,863,378.62 - Step 5: Solve for x
x = 928,056,863,378.62/1,282,009.68 - Step 6: Final answer
x = 723,907.84
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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.