Finding the Fourth Proportional to 1,281,658.70, 1,768,686.02 and 737,596.28
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Solution
The fourth proportional to 1,281,658.70, 1,768,686.02 and 737,596.28 is: 1,017,881.15
Step by Step Solution
- Step 1: Write the proportion equation
1,281,658.70 : 1,768,686.02 = 737,596.28 : x - Step 2: Convert to fraction form
1,281,658.70/1,768,686.02 = 737,596.28/x - Step 3: Cross multiply
1,281,658.70x = 1,768,686.02 × 737,596.28 - Step 4: Simplify right side
1,281,658.70x = 1,304,576,228,840.01 - Step 5: Solve for x
x = 1,304,576,228,840.01/1,281,658.70 - Step 6: Final answer
x = 1,017,881.15
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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.