Finding the Fourth Proportional to 1,094,366.88, 1,510,251.84 and 686,485.98
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Solution
The fourth proportional to 1,094,366.88, 1,510,251.84 and 686,485.98 is: 947,366.68
Step by Step Solution
- Step 1: Write the proportion equation
1,094,366.88 : 1,510,251.84 = 686,485.98 : x - Step 2: Convert to fraction form
1,094,366.88/1,510,251.84 = 686,485.98/x - Step 3: Cross multiply
1,094,366.88x = 1,510,251.84 × 686,485.98 - Step 4: Simplify right side
1,094,366.88x = 1,036,766,714,429.20 - Step 5: Solve for x
x = 1,036,766,714,429.20/1,094,366.88 - Step 6: Final answer
x = 947,366.68
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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.