Finding the Fourth Proportional to 1,587,765.81, 2,381,289.60 and 734,369.19
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Solution
The fourth proportional to 1,587,765.81, 2,381,289.60 and 734,369.19 is: 1,101,387.69
Step by Step Solution
- Step 1: Write the proportion equation
1,587,765.81 : 2,381,289.60 = 734,369.19 : x - Step 2: Convert to fraction form
1,587,765.81/2,381,289.60 = 734,369.19/x - Step 3: Cross multiply
1,587,765.81x = 2,381,289.60 × 734,369.19 - Step 4: Simplify right side
1,587,765.81x = 1,748,745,714,707.42 - Step 5: Solve for x
x = 1,748,745,714,707.42/1,587,765.81 - Step 6: Final answer
x = 1,101,387.69
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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.