Finding the Fourth Proportional to 1,132,889.79, 1,699,334.71 and 422,973.19
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Solution
The fourth proportional to 1,132,889.79, 1,699,334.71 and 422,973.19 is: 634,459.79
Step by Step Solution
- Step 1: Write the proportion equation
1,132,889.79 : 1,699,334.71 = 422,973.19 : x - Step 2: Convert to fraction form
1,132,889.79/1,699,334.71 = 422,973.19/x - Step 3: Cross multiply
1,132,889.79x = 1,699,334.71 × 422,973.19 - Step 4: Simplify right side
1,132,889.79x = 718,773,021,051.56 - Step 5: Solve for x
x = 718,773,021,051.56/1,132,889.79 - Step 6: Final answer
x = 634,459.79
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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.