Finding the Fourth Proportional to 1,132,653.20, 1,562,787.99 and 667,526.20
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Solution
The fourth proportional to 1,132,653.20, 1,562,787.99 and 667,526.20 is: 921,025.01
Step by Step Solution
- Step 1: Write the proportion equation
1,132,653.20 : 1,562,787.99 = 667,526.20 : x - Step 2: Convert to fraction form
1,132,653.20/1,562,787.99 = 667,526.20/x - Step 3: Cross multiply
1,132,653.20x = 1,562,787.99 × 667,526.20 - Step 4: Simplify right side
1,132,653.20x = 1,043,201,928,370.34 - Step 5: Solve for x
x = 1,043,201,928,370.34/1,132,653.20 - Step 6: Final answer
x = 921,025.01
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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.