Finding the Fourth Proportional to 1,432,935.18, 1,977,450.48 and 788,341.56
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Solution
The fourth proportional to 1,432,935.18, 1,977,450.48 and 788,341.56 is: 1,087,911.32
Step by Step Solution
- Step 1: Write the proportion equation
1,432,935.18 : 1,977,450.48 = 788,341.56 : x - Step 2: Convert to fraction form
1,432,935.18/1,977,450.48 = 788,341.56/x - Step 3: Cross multiply
1,432,935.18x = 1,977,450.48 × 788,341.56 - Step 4: Simplify right side
1,432,935.18x = 1,558,906,396,225.95 - Step 5: Solve for x
x = 1,558,906,396,225.95/1,432,935.18 - Step 6: Final answer
x = 1,087,911.32
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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.