Finding the Fourth Proportional to 1,219,709.21, 1,683,208.67 and 675,854.08
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Solution
The fourth proportional to 1,219,709.21, 1,683,208.67 and 675,854.08 is: 932,684.15
Step by Step Solution
- Step 1: Write the proportion equation
1,219,709.21 : 1,683,208.67 = 675,854.08 : x - Step 2: Convert to fraction form
1,219,709.21/1,683,208.67 = 675,854.08/x - Step 3: Cross multiply
1,219,709.21x = 1,683,208.67 × 675,854.08 - Step 4: Simplify right side
1,219,709.21x = 1,137,603,439,523.58 - Step 5: Solve for x
x = 1,137,603,439,523.58/1,219,709.21 - Step 6: Final answer
x = 932,684.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.