Finding the Fourth Proportional to 1,124,624.30, 1,551,942.93 and 641,344.99
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Solution
The fourth proportional to 1,124,624.30, 1,551,942.93 and 641,344.99 is: 885,034.07
Step by Step Solution
- Step 1: Write the proportion equation
1,124,624.30 : 1,551,942.93 = 641,344.99 : x - Step 2: Convert to fraction form
1,124,624.30/1,551,942.93 = 641,344.99/x - Step 3: Cross multiply
1,124,624.30x = 1,551,942.93 × 641,344.99 - Step 4: Simplify right side
1,124,624.30x = 995,330,819,041.56 - Step 5: Solve for x
x = 995,330,819,041.56/1,124,624.30 - Step 6: Final answer
x = 885,034.07
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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.