Finding the Fourth Proportional to 1,213,469.96, 1,674,587.25 and 669,605.58
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Solution
The fourth proportional to 1,213,469.96, 1,674,587.25 and 669,605.58 is: 924,054.99
Step by Step Solution
- Step 1: Write the proportion equation
1,213,469.96 : 1,674,587.25 = 669,605.58 : x - Step 2: Convert to fraction form
1,213,469.96/1,674,587.25 = 669,605.58/x - Step 3: Cross multiply
1,213,469.96x = 1,674,587.25 × 669,605.58 - Step 4: Simplify right side
1,213,469.96x = 1,121,312,966,796.86 - Step 5: Solve for x
x = 1,121,312,966,796.86/1,213,469.96 - Step 6: Final answer
x = 924,054.99
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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.