Finding the Fourth Proportional to 1,250,139.99, 1,725,201.47 and 677,180.16
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Solution
The fourth proportional to 1,250,139.99, 1,725,201.47 and 677,180.16 is: 934,513.11
Step by Step Solution
- Step 1: Write the proportion equation
1,250,139.99 : 1,725,201.47 = 677,180.16 : x - Step 2: Convert to fraction form
1,250,139.99/1,725,201.47 = 677,180.16/x - Step 3: Cross multiply
1,250,139.99x = 1,725,201.47 × 677,180.16 - Step 4: Simplify right side
1,250,139.99x = 1,168,272,204,100.93 - Step 5: Solve for x
x = 1,168,272,204,100.93/1,250,139.99 - Step 6: Final answer
x = 934,513.11
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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.