Finding the Fourth Proportional to 1,231,777.33, 1,699,901.26 and 708,487.08
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Solution
The fourth proportional to 1,231,777.33, 1,699,901.26 and 708,487.08 is: 977,740.09
Step by Step Solution
- Step 1: Write the proportion equation
1,231,777.33 : 1,699,901.26 = 708,487.08 : x - Step 2: Convert to fraction form
1,231,777.33/1,699,901.26 = 708,487.08/x - Step 3: Cross multiply
1,231,777.33x = 1,699,901.26 × 708,487.08 - Step 4: Simplify right side
1,231,777.33x = 1,204,358,078,613.47 - Step 5: Solve for x
x = 1,204,358,078,613.47/1,231,777.33 - Step 6: Final answer
x = 977,740.09
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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.