Finding the Fourth Proportional to 1,214,617.24, 1,676,152.74 and 670,739.50
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Solution
The fourth proportional to 1,214,617.24, 1,676,152.74 and 670,739.50 is: 925,609.99
Step by Step Solution
- Step 1: Write the proportion equation
1,214,617.24 : 1,676,152.74 = 670,739.50 : x - Step 2: Convert to fraction form
1,214,617.24/1,676,152.74 = 670,739.50/x - Step 3: Cross multiply
1,214,617.24x = 1,676,152.74 × 670,739.50 - Step 4: Simplify right side
1,214,617.24x = 1,124,261,850,751.23 - Step 5: Solve for x
x = 1,124,261,850,751.23/1,214,617.24 - Step 6: Final answer
x = 925,609.99
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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.