Finding the Fourth Proportional to 1,121,931.26, 1,681,650.30 and 854,811.08
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Solution
The fourth proportional to 1,121,931.26, 1,681,650.30 and 854,811.08 is: 1,281,266.83
Step by Step Solution
- Step 1: Write the proportion equation
1,121,931.26 : 1,681,650.30 = 854,811.08 : x - Step 2: Convert to fraction form
1,121,931.26/1,681,650.30 = 854,811.08/x - Step 3: Cross multiply
1,121,931.26x = 1,681,650.30 × 854,811.08 - Step 4: Simplify right side
1,121,931.26x = 1,437,493,309,125.32 - Step 5: Solve for x
x = 1,437,493,309,125.32/1,121,931.26 - Step 6: Final answer
x = 1,281,266.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.