Finding the Fourth Proportional to 1,058,763.41, 1,587,747.56 and 384,678.29
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Solution
The fourth proportional to 1,058,763.41, 1,587,747.56 and 384,678.29 is: 576,872.99
Step by Step Solution
- Step 1: Write the proportion equation
1,058,763.41 : 1,587,747.56 = 384,678.29 : x - Step 2: Convert to fraction form
1,058,763.41/1,587,747.56 = 384,678.29/x - Step 3: Cross multiply
1,058,763.41x = 1,587,747.56 × 384,678.29 - Step 4: Simplify right side
1,058,763.41x = 610,772,014,409.08 - Step 5: Solve for x
x = 610,772,014,409.08/1,058,763.41 - Step 6: Final answer
x = 576,872.99
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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.