Finding the Fourth Proportional to 1,042,170.86, 1,438,240.73 and 577,024.73
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Solution
The fourth proportional to 1,042,170.86, 1,438,240.73 and 577,024.73 is: 796,319.02
Step by Step Solution
- Step 1: Write the proportion equation
1,042,170.86 : 1,438,240.73 = 577,024.73 : x - Step 2: Convert to fraction form
1,042,170.86/1,438,240.73 = 577,024.73/x - Step 3: Cross multiply
1,042,170.86x = 1,438,240.73 × 577,024.73 - Step 4: Simplify right side
1,042,170.86x = 829,900,468,903.25 - Step 5: Solve for x
x = 829,900,468,903.25/1,042,170.86 - Step 6: Final answer
x = 796,319.02
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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.