Finding the Fourth Proportional to 1,157,211.12, 1,596,605.94 and 748,665.84
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Solution
The fourth proportional to 1,157,211.12, 1,596,605.94 and 748,665.84 is: 1,032,935.40
Step by Step Solution
- Step 1: Write the proportion equation
1,157,211.12 : 1,596,605.94 = 748,665.84 : x - Step 2: Convert to fraction form
1,157,211.12/1,596,605.94 = 748,665.84/x - Step 3: Cross multiply
1,157,211.12x = 1,596,605.94 × 748,665.84 - Step 4: Simplify right side
1,157,211.12x = 1,195,324,327,219.09 - Step 5: Solve for x
x = 1,195,324,327,219.09/1,157,211.12 - Step 6: Final answer
x = 1,032,935.40
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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.