Finding the Fourth Proportional to 1,124,223.09, 1,550,992.08 and 716,251.87
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Solution
The fourth proportional to 1,124,223.09, 1,550,992.08 and 716,251.87 is: 988,149.94
Step by Step Solution
- Step 1: Write the proportion equation
1,124,223.09 : 1,550,992.08 = 716,251.87 : x - Step 2: Convert to fraction form
1,124,223.09/1,550,992.08 = 716,251.87/x - Step 3: Cross multiply
1,124,223.09x = 1,550,992.08 × 716,251.87 - Step 4: Simplify right side
1,124,223.09x = 1,110,900,977,655.19 - Step 5: Solve for x
x = 1,110,900,977,655.19/1,124,223.09 - Step 6: Final answer
x = 988,149.94
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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.