Finding the Fourth Proportional to 1,312,027.11, 1,968,307.67 and 502,354.15
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Solution
The fourth proportional to 1,312,027.11, 1,968,307.67 and 502,354.15 is: 753,633.45
Step by Step Solution
- Step 1: Write the proportion equation
1,312,027.11 : 1,968,307.67 = 502,354.15 : x - Step 2: Convert to fraction form
1,312,027.11/1,968,307.67 = 502,354.15/x - Step 3: Cross multiply
1,312,027.11x = 1,968,307.67 × 502,354.15 - Step 4: Simplify right side
1,312,027.11x = 988,787,523,989.56 - Step 5: Solve for x
x = 988,787,523,989.56/1,312,027.11 - Step 6: Final answer
x = 753,633.45
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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.