Finding the Fourth Proportional to 1,246,220.87, 1,873,233.71 and 822,480.03
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Solution
The fourth proportional to 1,246,220.87, 1,873,233.71 and 822,480.03 is: 1,236,295.55
Step by Step Solution
- Step 1: Write the proportion equation
1,246,220.87 : 1,873,233.71 = 822,480.03 : x - Step 2: Convert to fraction form
1,246,220.87/1,873,233.71 = 822,480.03/x - Step 3: Cross multiply
1,246,220.87x = 1,873,233.71 × 822,480.03 - Step 4: Simplify right side
1,246,220.87x = 1,540,697,313,885.41 - Step 5: Solve for x
x = 1,540,697,313,885.41/1,246,220.87 - Step 6: Final answer
x = 1,236,295.55
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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.