Finding the Fourth Proportional to 1,443,562.05, 1,992,208.10 and 831,703.68
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Solution
The fourth proportional to 1,443,562.05, 1,992,208.10 and 831,703.68 is: 1,147,804.35
Step by Step Solution
- Step 1: Write the proportion equation
1,443,562.05 : 1,992,208.10 = 831,703.68 : x - Step 2: Convert to fraction form
1,443,562.05/1,992,208.10 = 831,703.68/x - Step 3: Cross multiply
1,443,562.05x = 1,992,208.10 × 831,703.68 - Step 4: Simplify right side
1,443,562.05x = 1,656,926,803,937.29 - Step 5: Solve for x
x = 1,656,926,803,937.29/1,443,562.05 - Step 6: Final answer
x = 1,147,804.35
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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.