Finding the Fourth Proportional to 1,250,397.89, 1,725,550.80 and 677,438.09
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Solution
The fourth proportional to 1,250,397.89, 1,725,550.80 and 677,438.09 is: 934,865.49
Step by Step Solution
- Step 1: Write the proportion equation
1,250,397.89 : 1,725,550.80 = 677,438.09 : x - Step 2: Convert to fraction form
1,250,397.89/1,725,550.80 = 677,438.09/x - Step 3: Cross multiply
1,250,397.89x = 1,725,550.80 × 677,438.09 - Step 4: Simplify right side
1,250,397.89x = 1,168,953,838,149.97 - Step 5: Solve for x
x = 1,168,953,838,149.97/1,250,397.89 - Step 6: Final answer
x = 934,865.49
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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.