Finding the Fourth Proportional to 1,058,428.40, 1,460,625.36 and 574,989.68
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Solution
The fourth proportional to 1,058,428.40, 1,460,625.36 and 574,989.68 is: 793,482.59
Step by Step Solution
- Step 1: Write the proportion equation
1,058,428.40 : 1,460,625.36 = 574,989.68 : x - Step 2: Convert to fraction form
1,058,428.40/1,460,625.36 = 574,989.68/x - Step 3: Cross multiply
1,058,428.40x = 1,460,625.36 × 574,989.68 - Step 4: Simplify right side
1,058,428.40x = 839,844,508,346.29 - Step 5: Solve for x
x = 839,844,508,346.29/1,058,428.40 - Step 6: Final answer
x = 793,482.59
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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.