Finding the Fourth Proportional to 1,122,295.23, 1,684,113.53 and 412,395.03
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Solution
The fourth proportional to 1,122,295.23, 1,684,113.53 and 412,395.03 is: 618,838.99
Step by Step Solution
- Step 1: Write the proportion equation
1,122,295.23 : 1,684,113.53 = 412,395.03 : x - Step 2: Convert to fraction form
1,122,295.23/1,684,113.53 = 412,395.03/x - Step 3: Cross multiply
1,122,295.23x = 1,684,113.53 × 412,395.03 - Step 4: Simplify right side
1,122,295.23x = 694,520,047,665.78 - Step 5: Solve for x
x = 694,520,047,665.78/1,122,295.23 - Step 6: Final answer
x = 618,838.99
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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.