Finding the Fourth Proportional to 1,432,937.48, 1,977,453.63 and 788,343.84
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Solution
The fourth proportional to 1,432,937.48, 1,977,453.63 and 788,343.84 is: 1,087,914.45
Step by Step Solution
- Step 1: Write the proportion equation
1,432,937.48 : 1,977,453.63 = 788,343.84 : x - Step 2: Convert to fraction form
1,432,937.48/1,977,453.63 = 788,343.84/x - Step 3: Cross multiply
1,432,937.48x = 1,977,453.63 × 788,343.84 - Step 4: Simplify right side
1,432,937.48x = 1,558,913,388,096.14 - Step 5: Solve for x
x = 1,558,913,388,096.14/1,432,937.48 - Step 6: Final answer
x = 1,087,914.45
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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.