Finding the Fourth Proportional to 1,167,336.35, 1,610,649.79 and 708,440.75
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Solution
The fourth proportional to 1,167,336.35, 1,610,649.79 and 708,440.75 is: 977,481.72
Step by Step Solution
- Step 1: Write the proportion equation
1,167,336.35 : 1,610,649.79 = 708,440.75 : x - Step 2: Convert to fraction form
1,167,336.35/1,610,649.79 = 708,440.75/x - Step 3: Cross multiply
1,167,336.35x = 1,610,649.79 × 708,440.75 - Step 4: Simplify right side
1,167,336.35x = 1,141,049,945,214.94 - Step 5: Solve for x
x = 1,141,049,945,214.94/1,167,336.35 - Step 6: Final answer
x = 977,481.72
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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.