Finding the Fourth Proportional to 1,171,203.63, 1,616,261.84 and 634,659.63
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Solution
The fourth proportional to 1,171,203.63, 1,616,261.84 and 634,659.63 is: 875,830.74
Step by Step Solution
- Step 1: Write the proportion equation
1,171,203.63 : 1,616,261.84 = 634,659.63 : x - Step 2: Convert to fraction form
1,171,203.63/1,616,261.84 = 634,659.63/x - Step 3: Cross multiply
1,171,203.63x = 1,616,261.84 × 634,659.63 - Step 4: Simplify right side
1,171,203.63x = 1,025,776,138,184.22 - Step 5: Solve for x
x = 1,025,776,138,184.22/1,171,203.63 - Step 6: Final answer
x = 875,830.74
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1.5x scale
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.