Finding the Fourth Proportional to 1,221,162.84, 1,683,258.21 and 962,618.43
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Solution
The fourth proportional to 1,221,162.84, 1,683,258.21 and 962,618.43 is: 1,326,879.04
Step by Step Solution
- Step 1: Write the proportion equation
1,221,162.84 : 1,683,258.21 = 962,618.43 : x - Step 2: Convert to fraction form
1,221,162.84/1,683,258.21 = 962,618.43/x - Step 3: Cross multiply
1,221,162.84x = 1,683,258.21 × 962,618.43 - Step 4: Simplify right side
1,221,162.84x = 1,620,335,375,394.81 - Step 5: Solve for x
x = 1,620,335,375,394.81/1,221,162.84 - Step 6: Final answer
x = 1,326,879.04
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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.