Finding the Fourth Proportional to 1,403,245.35, 2,105,088.62 and 456,394.64
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Solution
The fourth proportional to 1,403,245.35, 2,105,088.62 and 456,394.64 is: 684,663.70
Step by Step Solution
- Step 1: Write the proportion equation
1,403,245.35 : 2,105,088.62 = 456,394.64 : x - Step 2: Convert to fraction form
1,403,245.35/2,105,088.62 = 456,394.64/x - Step 3: Cross multiply
1,403,245.35x = 2,105,088.62 × 456,394.64 - Step 4: Simplify right side
1,403,245.35x = 960,751,150,085.58 - Step 5: Solve for x
x = 960,751,150,085.58/1,403,245.35 - Step 6: Final answer
x = 684,663.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.