Finding the Fourth Proportional to 1,124,191.99, 1,686,309.86 and 413,854.39
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Solution
The fourth proportional to 1,124,191.99, 1,686,309.86 and 413,854.39 is: 620,789.64
Step by Step Solution
- Step 1: Write the proportion equation
1,124,191.99 : 1,686,309.86 = 413,854.39 : x - Step 2: Convert to fraction form
1,124,191.99/1,686,309.86 = 413,854.39/x - Step 3: Cross multiply
1,124,191.99x = 1,686,309.86 × 413,854.39 - Step 4: Simplify right side
1,124,191.99x = 697,886,738,461.29 - Step 5: Solve for x
x = 697,886,738,461.29/1,124,191.99 - Step 6: Final answer
x = 620,789.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.