Finding the Fourth Proportional to 1,332,544.50, 1,838,925.99 and 728,932.50
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Solution
The fourth proportional to 1,332,544.50, 1,838,925.99 and 728,932.50 is: 1,005,934.83
Step by Step Solution
- Step 1: Write the proportion equation
1,332,544.50 : 1,838,925.99 = 728,932.50 : x - Step 2: Convert to fraction form
1,332,544.50/1,838,925.99 = 728,932.50/x - Step 3: Cross multiply
1,332,544.50x = 1,838,925.99 × 728,932.50 - Step 4: Simplify right side
1,332,544.50x = 1,340,452,919,205.68 - Step 5: Solve for x
x = 1,340,452,919,205.68/1,332,544.50 - Step 6: Final answer
x = 1,005,934.83
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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.