Finding the Fourth Proportional to 1,353,787.62, 1,868,227.26 and 741,964.68
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Solution
The fourth proportional to 1,353,787.62, 1,868,227.26 and 741,964.68 is: 1,023,911.45
Step by Step Solution
- Step 1: Write the proportion equation
1,353,787.62 : 1,868,227.26 = 741,964.68 : x - Step 2: Convert to fraction form
1,353,787.62/1,868,227.26 = 741,964.68/x - Step 3: Cross multiply
1,353,787.62x = 1,868,227.26 × 741,964.68 - Step 4: Simplify right side
1,353,787.62x = 1,386,158,641,133.18 - Step 5: Solve for x
x = 1,386,158,641,133.18/1,353,787.62 - Step 6: Final answer
x = 1,023,911.45
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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.