Finding the Fourth Proportional to 1,058,636.49, 1,587,787.97 and 879,869.74
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Solution
The fourth proportional to 1,058,636.49, 1,587,787.97 and 879,869.74 is: 1,319,666.01
Step by Step Solution
- Step 1: Write the proportion equation
1,058,636.49 : 1,587,787.97 = 879,869.74 : x - Step 2: Convert to fraction form
1,058,636.49/1,587,787.97 = 879,869.74/x - Step 3: Cross multiply
1,058,636.49x = 1,587,787.97 × 879,869.74 - Step 4: Simplify right side
1,058,636.49x = 1,397,046,587,896.58 - Step 5: Solve for x
x = 1,397,046,587,896.58/1,058,636.49 - Step 6: Final answer
x = 1,319,666.01
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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.