Finding the Fourth Proportional to 1,126,482.15, 1,689,708.65 and 273,560.79
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Solution
The fourth proportional to 1,126,482.15, 1,689,708.65 and 273,560.79 is: 410,337.64
Step by Step Solution
- Step 1: Write the proportion equation
1,126,482.15 : 1,689,708.65 = 273,560.79 : x - Step 2: Convert to fraction form
1,126,482.15/1,689,708.65 = 273,560.79/x - Step 3: Cross multiply
1,126,482.15x = 1,689,708.65 × 273,560.79 - Step 4: Simplify right side
1,126,482.15x = 462,238,031,796.03 - Step 5: Solve for x
x = 462,238,031,796.03/1,126,482.15 - Step 6: Final answer
x = 410,337.64
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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.