Finding the Fourth Proportional to 1,250,239.28, 1,725,338.49 and 677,279.03
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Solution
The fourth proportional to 1,250,239.28, 1,725,338.49 and 677,279.03 is: 934,649.55
Step by Step Solution
- Step 1: Write the proportion equation
1,250,239.28 : 1,725,338.49 = 677,279.03 : x - Step 2: Convert to fraction form
1,250,239.28/1,725,338.49 = 677,279.03/x - Step 3: Cross multiply
1,250,239.28x = 1,725,338.49 × 677,279.03 - Step 4: Simplify right side
1,250,239.28x = 1,168,535,578,928.86 - Step 5: Solve for x
x = 1,168,535,578,928.86/1,250,239.28 - Step 6: Final answer
x = 934,649.55
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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.