Finding the Fourth Proportional to 1,227,350.76, 1,692,871.58 and 819,246.84
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Solution
The fourth proportional to 1,227,350.76, 1,692,871.58 and 819,246.84 is: 1,129,978.27
Step by Step Solution
- Step 1: Write the proportion equation
1,227,350.76 : 1,692,871.58 = 819,246.84 : x - Step 2: Convert to fraction form
1,227,350.76/1,692,871.58 = 819,246.84/x - Step 3: Cross multiply
1,227,350.76x = 1,692,871.58 × 819,246.84 - Step 4: Simplify right side
1,227,350.76x = 1,386,879,688,344.57 - Step 5: Solve for x
x = 1,386,879,688,344.57/1,227,350.76 - Step 6: Final answer
x = 1,129,978.27
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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.