Finding the Fourth Proportional to 1,240,169.44, 1,711,953.84 and 838,305.76
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Solution
The fourth proportional to 1,240,169.44, 1,711,953.84 and 838,305.76 is: 1,157,213.46
Step by Step Solution
- Step 1: Write the proportion equation
1,240,169.44 : 1,711,953.84 = 838,305.76 : x - Step 2: Convert to fraction form
1,240,169.44/1,711,953.84 = 838,305.76/x - Step 3: Cross multiply
1,240,169.44x = 1,711,953.84 × 838,305.76 - Step 4: Simplify right side
1,240,169.44x = 1,435,140,764,926.12 - Step 5: Solve for x
x = 1,435,140,764,926.12/1,240,169.44 - Step 6: Final answer
x = 1,157,213.46
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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.