Finding the Fourth Proportional to 1,132,658.14, 1,562,794.80 and 667,531.15
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Solution
The fourth proportional to 1,132,658.14, 1,562,794.80 and 667,531.15 is: 921,031.84
Step by Step Solution
- Step 1: Write the proportion equation
1,132,658.14 : 1,562,794.80 = 667,531.15 : x - Step 2: Convert to fraction form
1,132,658.14/1,562,794.80 = 667,531.15/x - Step 3: Cross multiply
1,132,658.14x = 1,562,794.80 × 667,531.15 - Step 4: Simplify right side
1,132,658.14x = 1,043,214,210,058.02 - Step 5: Solve for x
x = 1,043,214,210,058.02/1,132,658.14 - Step 6: Final answer
x = 921,031.84
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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.