Finding the Fourth Proportional to 1,119,074.96, 1,544,275.18 and 635,638.62
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Solution
The fourth proportional to 1,119,074.96, 1,544,275.18 and 635,638.62 is: 877,153.88
Step by Step Solution
- Step 1: Write the proportion equation
1,119,074.96 : 1,544,275.18 = 635,638.62 : x - Step 2: Convert to fraction form
1,119,074.96/1,544,275.18 = 635,638.62/x - Step 3: Cross multiply
1,119,074.96x = 1,544,275.18 × 635,638.62 - Step 4: Simplify right side
1,119,074.96x = 981,600,944,315.45 - Step 5: Solve for x
x = 981,600,944,315.45/1,119,074.96 - Step 6: Final answer
x = 877,153.88
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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.