Finding the Fourth Proportional to 1,115,440.56, 1,539,316.44 and 606,144.96
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Solution
The fourth proportional to 1,115,440.56, 1,539,316.44 and 606,144.96 is: 836,484.65
Step by Step Solution
- Step 1: Write the proportion equation
1,115,440.56 : 1,539,316.44 = 606,144.96 : x - Step 2: Convert to fraction form
1,115,440.56/1,539,316.44 = 606,144.96/x - Step 3: Cross multiply
1,115,440.56x = 1,539,316.44 × 606,144.96 - Step 4: Simplify right side
1,115,440.56x = 933,048,901,951.14 - Step 5: Solve for x
x = 933,048,901,951.14/1,115,440.56 - Step 6: Final answer
x = 836,484.65
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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.