Finding the Fourth Proportional to 1,058,941.71, 1,587,518.69 and 459,450.99
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Solution
The fourth proportional to 1,058,941.71, 1,587,518.69 and 459,450.99 is: 688,788.65
Step by Step Solution
- Step 1: Write the proportion equation
1,058,941.71 : 1,587,518.69 = 459,450.99 : x - Step 2: Convert to fraction form
1,058,941.71/1,587,518.69 = 459,450.99/x - Step 3: Cross multiply
1,058,941.71x = 1,587,518.69 × 459,450.99 - Step 4: Simplify right side
1,058,941.71x = 729,387,031,466.75 - Step 5: Solve for x
x = 729,387,031,466.75/1,058,941.71 - Step 6: Final answer
x = 688,788.65
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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.