Finding the Fourth Proportional to 1,108,058.24, 1,529,698.52 and 786,536.44
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Solution
The fourth proportional to 1,108,058.24, 1,529,698.52 and 786,536.44 is: 1,085,830.67
Step by Step Solution
- Step 1: Write the proportion equation
1,108,058.24 : 1,529,698.52 = 786,536.44 : x - Step 2: Convert to fraction form
1,108,058.24/1,529,698.52 = 786,536.44/x - Step 3: Cross multiply
1,108,058.24x = 1,529,698.52 × 786,536.44 - Step 4: Simplify right side
1,108,058.24x = 1,203,163,624,063.03 - Step 5: Solve for x
x = 1,203,163,624,063.03/1,108,058.24 - Step 6: Final answer
x = 1,085,830.67
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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.