Finding the Fourth Proportional to 1,124,523.12, 1,551,688.92 and 671,718
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Solution
The fourth proportional to 1,124,523.12, 1,551,688.92 and 671,718 is: 926,879.46
Step by Step Solution
- Step 1: Write the proportion equation
1,124,523.12 : 1,551,688.92 = 671,718 : x - Step 2: Convert to fraction form
1,124,523.12/1,551,688.92 = 671,718/x - Step 3: Cross multiply
1,124,523.12x = 1,551,688.92 × 671,718 - Step 4: Simplify right side
1,124,523.12x = 1,042,297,377,964.56 - Step 5: Solve for x
x = 1,042,297,377,964.56/1,124,523.12 - Step 6: Final answer
x = 926,879.46
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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.