Finding the Fourth Proportional to 1,438,731.20, 1,985,449.44 and 794,151.84
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Solution
The fourth proportional to 1,438,731.20, 1,985,449.44 and 794,151.84 is: 1,095,929.75
Step by Step Solution
- Step 1: Write the proportion equation
1,438,731.20 : 1,985,449.44 = 794,151.84 : x - Step 2: Convert to fraction form
1,438,731.20/1,985,449.44 = 794,151.84/x - Step 3: Cross multiply
1,438,731.20x = 1,985,449.44 × 794,151.84 - Step 4: Simplify right side
1,438,731.20x = 1,576,748,326,002.97 - Step 5: Solve for x
x = 1,576,748,326,002.97/1,438,731.20 - Step 6: Final answer
x = 1,095,929.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.