Finding the Fourth Proportional to 1,239,965.98, 1,856,335.80 and 921,527.84
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Solution
The fourth proportional to 1,239,965.98, 1,856,335.80 and 921,527.84 is: 1,379,606.50
Step by Step Solution
- Step 1: Write the proportion equation
1,239,965.98 : 1,856,335.80 = 921,527.84 : x - Step 2: Convert to fraction form
1,239,965.98/1,856,335.80 = 921,527.84/x - Step 3: Cross multiply
1,239,965.98x = 1,856,335.80 × 921,527.84 - Step 4: Simplify right side
1,239,965.98x = 1,710,665,120,088.67 - Step 5: Solve for x
x = 1,710,665,120,088.67/1,239,965.98 - Step 6: Final answer
x = 1,379,606.50
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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.