Finding the Fourth Proportional to 1,058,706.54, 1,587,166.62 and 459,216.36
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Solution
The fourth proportional to 1,058,706.54, 1,587,166.62 and 459,216.36 is: 688,437.12
Step by Step Solution
- Step 1: Write the proportion equation
1,058,706.54 : 1,587,166.62 = 459,216.36 : x - Step 2: Convert to fraction form
1,058,706.54/1,587,166.62 = 459,216.36/x - Step 3: Cross multiply
1,058,706.54x = 1,587,166.62 × 459,216.36 - Step 4: Simplify right side
1,058,706.54x = 728,852,877,949.90 - Step 5: Solve for x
x = 728,852,877,949.90/1,058,706.54 - Step 6: Final answer
x = 688,437.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.