Finding the Fourth Proportional to 1,015,522.08, 1,521,788.45 and 446,381.99
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Solution
The fourth proportional to 1,015,522.08, 1,521,788.45 and 446,381.99 is: 668,915.98
Step by Step Solution
- Step 1: Write the proportion equation
1,015,522.08 : 1,521,788.45 = 446,381.99 : x - Step 2: Convert to fraction form
1,015,522.08/1,521,788.45 = 446,381.99/x - Step 3: Cross multiply
1,015,522.08x = 1,521,788.45 × 446,381.99 - Step 4: Simplify right side
1,015,522.08x = 679,298,946,829.16 - Step 5: Solve for x
x = 679,298,946,829.16/1,015,522.08 - Step 6: Final answer
x = 668,915.98
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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.