Finding the Fourth Proportional to 1,187,094.36, 1,638,154.62 and 677,697.24
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Solution
The fourth proportional to 1,187,094.36, 1,638,154.62 and 677,697.24 is: 935,201.87
Step by Step Solution
- Step 1: Write the proportion equation
1,187,094.36 : 1,638,154.62 = 677,697.24 : x - Step 2: Convert to fraction form
1,187,094.36/1,638,154.62 = 677,697.24/x - Step 3: Cross multiply
1,187,094.36x = 1,638,154.62 × 677,697.24 - Step 4: Simplify right side
1,187,094.36x = 1,110,172,864,667.25 - Step 5: Solve for x
x = 1,110,172,864,667.25/1,187,094.36 - Step 6: Final answer
x = 935,201.87
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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.