Finding the Fourth Proportional to 1,230,204.24, 1,697,643.36 and 721,245.60
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Solution
The fourth proportional to 1,230,204.24, 1,697,643.36 and 721,245.60 is: 995,296.36
Step by Step Solution
- Step 1: Write the proportion equation
1,230,204.24 : 1,697,643.36 = 721,245.60 : x - Step 2: Convert to fraction form
1,230,204.24/1,697,643.36 = 721,245.60/x - Step 3: Cross multiply
1,230,204.24x = 1,697,643.36 × 721,245.60 - Step 4: Simplify right side
1,230,204.24x = 1,224,417,803,769.22 - Step 5: Solve for x
x = 1,224,417,803,769.22/1,230,204.24 - Step 6: Final answer
x = 995,296.36
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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.