Finding the Fourth Proportional to 1,438,032.07, 1,984,525.79 and 793,493.79
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Solution
The fourth proportional to 1,438,032.07, 1,984,525.79 and 793,493.79 is: 1,095,044.35
Step by Step Solution
- Step 1: Write the proportion equation
1,438,032.07 : 1,984,525.79 = 793,493.79 : x - Step 2: Convert to fraction form
1,438,032.07/1,984,525.79 = 793,493.79/x - Step 3: Cross multiply
1,438,032.07x = 1,984,525.79 × 793,493.79 - Step 4: Simplify right side
1,438,032.07x = 1,574,708,890,459.84 - Step 5: Solve for x
x = 1,574,708,890,459.84/1,438,032.07 - Step 6: Final answer
x = 1,095,044.35
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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.