Finding the Fourth Proportional to 1,237,917.96, 1,708,630.68 and 754,749.54
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Solution
The fourth proportional to 1,237,917.96, 1,708,630.68 and 754,749.54 is: 1,041,739.65
Step by Step Solution
- Step 1: Write the proportion equation
1,237,917.96 : 1,708,630.68 = 754,749.54 : x - Step 2: Convert to fraction form
1,237,917.96/1,708,630.68 = 754,749.54/x - Step 3: Cross multiply
1,237,917.96x = 1,708,630.68 × 754,749.54 - Step 4: Simplify right side
1,237,917.96x = 1,289,588,219,759.89 - Step 5: Solve for x
x = 1,289,588,219,759.89/1,237,917.96 - Step 6: Final answer
x = 1,041,739.65
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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.