Finding the Fourth Proportional to 1,224,542.41, 1,689,888.88 and 673,281.42
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Solution
The fourth proportional to 1,224,542.41, 1,689,888.88 and 673,281.42 is: 929,139.55
Step by Step Solution
- Step 1: Write the proportion equation
1,224,542.41 : 1,689,888.88 = 673,281.42 : x - Step 2: Convert to fraction form
1,224,542.41/1,689,888.88 = 673,281.42/x - Step 3: Cross multiply
1,224,542.41x = 1,689,888.88 × 673,281.42 - Step 4: Simplify right side
1,224,542.41x = 1,137,770,775,485.92 - Step 5: Solve for x
x = 1,137,770,775,485.92/1,224,542.41 - Step 6: Final answer
x = 929,139.55
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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.