Finding the Fourth Proportional to 1,122,368.75, 1,683,801.89 and 323,587.95
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Solution
The fourth proportional to 1,122,368.75, 1,683,801.89 and 323,587.95 is: 485,453.65
Step by Step Solution
- Step 1: Write the proportion equation
1,122,368.75 : 1,683,801.89 = 323,587.95 : x - Step 2: Convert to fraction form
1,122,368.75/1,683,801.89 = 323,587.95/x - Step 3: Cross multiply
1,122,368.75x = 1,683,801.89 × 323,587.95 - Step 4: Simplify right side
1,122,368.75x = 544,858,000,173.29 - Step 5: Solve for x
x = 544,858,000,173.29/1,122,368.75 - Step 6: Final answer
x = 485,453.65
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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.