Finding the Fourth Proportional to 1,432,935.45, 1,977,450.83 and 788,341.80
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Solution
The fourth proportional to 1,432,935.45, 1,977,450.83 and 788,341.80 is: 1,087,911.63
Step by Step Solution
- Step 1: Write the proportion equation
1,432,935.45 : 1,977,450.83 = 788,341.80 : x - Step 2: Convert to fraction form
1,432,935.45/1,977,450.83 = 788,341.80/x - Step 3: Cross multiply
1,432,935.45x = 1,977,450.83 × 788,341.80 - Step 4: Simplify right side
1,432,935.45x = 1,558,907,146,733.69 - Step 5: Solve for x
x = 1,558,907,146,733.69/1,432,935.45 - Step 6: Final answer
x = 1,087,911.63
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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.