Finding the Fourth Proportional to 1,068,693.12, 1,603,213.92 and 507,538.08
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Solution
The fourth proportional to 1,068,693.12, 1,603,213.92 and 507,538.08 is: 761,389.87
Step by Step Solution
- Step 1: Write the proportion equation
1,068,693.12 : 1,603,213.92 = 507,538.08 : x - Step 2: Convert to fraction form
1,068,693.12/1,603,213.92 = 507,538.08/x - Step 3: Cross multiply
1,068,693.12x = 1,603,213.92 × 507,538.08 - Step 4: Simplify right side
1,068,693.12x = 813,692,114,786.07 - Step 5: Solve for x
x = 813,692,114,786.07/1,068,693.12 - Step 6: Final answer
x = 761,389.87
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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.