Finding the Fourth Proportional to 1,222,972.34, 1,834,683.99 and 402,357.12
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Solution
The fourth proportional to 1,222,972.34, 1,834,683.99 and 402,357.12 is: 603,609.86
Step by Step Solution
- Step 1: Write the proportion equation
1,222,972.34 : 1,834,683.99 = 402,357.12 : x - Step 2: Convert to fraction form
1,222,972.34/1,834,683.99 = 402,357.12/x - Step 3: Cross multiply
1,222,972.34x = 1,834,683.99 × 402,357.12 - Step 4: Simplify right side
1,222,972.34x = 738,198,157,937.61 - Step 5: Solve for x
x = 738,198,157,937.61/1,222,972.34 - Step 6: Final answer
x = 603,609.86
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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.