Finding the Fourth Proportional to 1,126,878.70, 1,555,098.51 and 610,632.79
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Solution
The fourth proportional to 1,126,878.70, 1,555,098.51 and 610,632.79 is: 842,676.45
Step by Step Solution
- Step 1: Write the proportion equation
1,126,878.70 : 1,555,098.51 = 610,632.79 : x - Step 2: Convert to fraction form
1,126,878.70/1,555,098.51 = 610,632.79/x - Step 3: Cross multiply
1,126,878.70x = 1,555,098.51 × 610,632.79 - Step 4: Simplify right side
1,126,878.70x = 949,594,141,886.14 - Step 5: Solve for x
x = 949,594,141,886.14/1,126,878.70 - Step 6: Final answer
x = 842,676.45
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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.