Finding the Fourth Proportional to 1,005,188.06, 1,387,170.24 and 546,302.63
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Solution
The fourth proportional to 1,005,188.06, 1,387,170.24 and 546,302.63 is: 753,903.45
Step by Step Solution
- Step 1: Write the proportion equation
1,005,188.06 : 1,387,170.24 = 546,302.63 : x - Step 2: Convert to fraction form
1,005,188.06/1,387,170.24 = 546,302.63/x - Step 3: Cross multiply
1,005,188.06x = 1,387,170.24 × 546,302.63 - Step 4: Simplify right side
1,005,188.06x = 757,814,750,369.73 - Step 5: Solve for x
x = 757,814,750,369.73/1,005,188.06 - Step 6: Final answer
x = 753,903.45
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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.