Finding the Fourth Proportional to 1,344,319.11, 2,017,319.28 and 545,600.55
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Solution
The fourth proportional to 1,344,319.11, 2,017,319.28 and 545,600.55 is: 818,741.99
Step by Step Solution
- Step 1: Write the proportion equation
1,344,319.11 : 2,017,319.28 = 545,600.55 : x - Step 2: Convert to fraction form
1,344,319.11/2,017,319.28 = 545,600.55/x - Step 3: Cross multiply
1,344,319.11x = 2,017,319.28 × 545,600.55 - Step 4: Simplify right side
1,344,319.11x = 1,100,650,508,693.60 - Step 5: Solve for x
x = 1,100,650,508,693.60/1,344,319.11 - Step 6: Final answer
x = 818,741.99
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1.5x scale
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.