Finding the Fourth Proportional to 1,203,216.24, 1,660,438.68 and 719,801.52
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Solution
The fourth proportional to 1,203,216.24, 1,660,438.68 and 719,801.52 is: 993,326.26
Step by Step Solution
- Step 1: Write the proportion equation
1,203,216.24 : 1,660,438.68 = 719,801.52 : x - Step 2: Convert to fraction form
1,203,216.24/1,660,438.68 = 719,801.52/x - Step 3: Cross multiply
1,203,216.24x = 1,660,438.68 × 719,801.52 - Step 4: Simplify right side
1,203,216.24x = 1,195,186,285,730.79 - Step 5: Solve for x
x = 1,195,186,285,730.79/1,203,216.24 - Step 6: Final answer
x = 993,326.26
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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.