Finding the Fourth Proportional to 1,000,539.99, 1,380,734.01 and 541,643.63
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Solution
The fourth proportional to 1,000,539.99, 1,380,734.01 and 541,643.63 is: 747,462.15
Step by Step Solution
- Step 1: Write the proportion equation
1,000,539.99 : 1,380,734.01 = 541,643.63 : x - Step 2: Convert to fraction form
1,000,539.99/1,380,734.01 = 541,643.63/x - Step 3: Cross multiply
1,000,539.99x = 1,380,734.01 × 541,643.63 - Step 4: Simplify right side
1,000,539.99x = 747,865,774,337.19 - Step 5: Solve for x
x = 747,865,774,337.19/1,000,539.99 - Step 6: Final answer
x = 747,462.15
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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.