Finding the Fourth Proportional to 1,330,455.80, 1,997,104.56 and 572,672.60
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Solution
The fourth proportional to 1,330,455.80, 1,997,104.56 and 572,672.60 is: 859,620.49
Step by Step Solution
- Step 1: Write the proportion equation
1,330,455.80 : 1,997,104.56 = 572,672.60 : x - Step 2: Convert to fraction form
1,330,455.80/1,997,104.56 = 572,672.60/x - Step 3: Cross multiply
1,330,455.80x = 1,997,104.56 × 572,672.60 - Step 4: Simplify right side
1,330,455.80x = 1,143,687,060,847.06 - Step 5: Solve for x
x = 1,143,687,060,847.06/1,330,455.80 - Step 6: Final answer
x = 859,620.49
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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.