Finding the Fourth Proportional to 1,341,039.54, 1,850,701.86 and 831,905.94
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Solution
The fourth proportional to 1,341,039.54, 1,850,701.86 and 831,905.94 is: 1,148,071.94
Step by Step Solution
- Step 1: Write the proportion equation
1,341,039.54 : 1,850,701.86 = 831,905.94 : x - Step 2: Convert to fraction form
1,341,039.54/1,850,701.86 = 831,905.94/x - Step 3: Cross multiply
1,341,039.54x = 1,850,701.86 × 831,905.94 - Step 4: Simplify right side
1,341,039.54x = 1,539,609,870,503.05 - Step 5: Solve for x
x = 1,539,609,870,503.05/1,341,039.54 - Step 6: Final answer
x = 1,148,071.94
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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.