Finding the Fourth Proportional to 1,058,421.24, 1,460,631.42 and 574,990.02
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Solution
The fourth proportional to 1,058,421.24, 1,460,631.42 and 574,990.02 is: 793,491.72
Step by Step Solution
- Step 1: Write the proportion equation
1,058,421.24 : 1,460,631.42 = 574,990.02 : x - Step 2: Convert to fraction form
1,058,421.24/1,460,631.42 = 574,990.02/x - Step 3: Cross multiply
1,058,421.24x = 1,460,631.42 × 574,990.02 - Step 4: Simplify right side
1,058,421.24x = 839,848,489,398.43 - Step 5: Solve for x
x = 839,848,489,398.43/1,058,421.24 - Step 6: Final answer
x = 793,491.72
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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.