Finding the Fourth Proportional to 1,372,772.21, 1,894,516.84 and 760,950.76
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Solution
The fourth proportional to 1,372,772.21, 1,894,516.84 and 760,950.76 is: 1,050,162.59
Step by Step Solution
- Step 1: Write the proportion equation
1,372,772.21 : 1,894,516.84 = 760,950.76 : x - Step 2: Convert to fraction form
1,372,772.21/1,894,516.84 = 760,950.76/x - Step 3: Cross multiply
1,372,772.21x = 1,894,516.84 × 760,950.76 - Step 4: Simplify right side
1,372,772.21x = 1,441,634,015,953.46 - Step 5: Solve for x
x = 1,441,634,015,953.46/1,372,772.21 - Step 6: Final answer
x = 1,050,162.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.