Finding the Fourth Proportional to 1,432,916.87, 1,977,425.19 and 788,323.22
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Solution
The fourth proportional to 1,432,916.87, 1,977,425.19 and 788,323.22 is: 1,087,886.00
Step by Step Solution
- Step 1: Write the proportion equation
1,432,916.87 : 1,977,425.19 = 788,323.22 : x - Step 2: Convert to fraction form
1,432,916.87/1,977,425.19 = 788,323.22/x - Step 3: Cross multiply
1,432,916.87x = 1,977,425.19 × 788,323.22 - Step 4: Simplify right side
1,432,916.87x = 1,558,850,190,618.13 - Step 5: Solve for x
x = 1,558,850,190,618.13/1,432,916.87 - Step 6: Final answer
x = 1,087,886.00
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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.