Finding the Fourth Proportional to 1,192,781.30, 1,788,559.04 and 351,223.70
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Solution
The fourth proportional to 1,192,781.30, 1,788,559.04 and 351,223.70 is: 526,655.07
Step by Step Solution
- Step 1: Write the proportion equation
1,192,781.30 : 1,788,559.04 = 351,223.70 : x - Step 2: Convert to fraction form
1,192,781.30/1,788,559.04 = 351,223.70/x - Step 3: Cross multiply
1,192,781.30x = 1,788,559.04 × 351,223.70 - Step 4: Simplify right side
1,192,781.30x = 628,184,323,697.25 - Step 5: Solve for x
x = 628,184,323,697.25/1,192,781.30 - Step 6: Final answer
x = 526,655.07
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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.