Finding the Fourth Proportional to 1,125,804.48, 1,555,624.80 and 901,302.72
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Solution
The fourth proportional to 1,125,804.48, 1,555,624.80 and 901,302.72 is: 1,245,410.63
Step by Step Solution
- Step 1: Write the proportion equation
1,125,804.48 : 1,555,624.80 = 901,302.72 : x - Step 2: Convert to fraction form
1,125,804.48/1,555,624.80 = 901,302.72/x - Step 3: Cross multiply
1,125,804.48x = 1,555,624.80 × 901,302.72 - Step 4: Simplify right side
1,125,804.48x = 1,402,088,863,539.46 - Step 5: Solve for x
x = 1,402,088,863,539.46/1,125,804.48 - Step 6: Final answer
x = 1,245,410.63
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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.