Finding the Fourth Proportional to 1,432,728.52, 1,977,103.02 and 788,107.84
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Solution
The fourth proportional to 1,432,728.52, 1,977,103.02 and 788,107.84 is: 1,087,554.53
Step by Step Solution
- Step 1: Write the proportion equation
1,432,728.52 : 1,977,103.02 = 788,107.84 : x - Step 2: Convert to fraction form
1,432,728.52/1,977,103.02 = 788,107.84/x - Step 3: Cross multiply
1,432,728.52x = 1,977,103.02 × 788,107.84 - Step 4: Simplify right side
1,432,728.52x = 1,558,170,390,549.68 - Step 5: Solve for x
x = 1,558,170,390,549.68/1,432,728.52 - Step 6: Final answer
x = 1,087,554.53
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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.