Finding the Fourth Proportional to 1,050,964.92, 1,449,811.98 and 621,037.08
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Solution
The fourth proportional to 1,050,964.92, 1,449,811.98 and 621,037.08 is: 856,724.12
Step by Step Solution
- Step 1: Write the proportion equation
1,050,964.92 : 1,449,811.98 = 621,037.08 : x - Step 2: Convert to fraction form
1,050,964.92/1,449,811.98 = 621,037.08/x - Step 3: Cross multiply
1,050,964.92x = 1,449,811.98 × 621,037.08 - Step 4: Simplify right side
1,050,964.92x = 900,386,998,608.22 - Step 5: Solve for x
x = 900,386,998,608.22/1,050,964.92 - Step 6: Final answer
x = 856,724.12
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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.