Finding the Fourth Proportional to 1,438,689.84, 1,985,250.36 and 794,068.21
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Solution
The fourth proportional to 1,438,689.84, 1,985,250.36 and 794,068.21 is: 1,095,735.96
Step by Step Solution
- Step 1: Write the proportion equation
1,438,689.84 : 1,985,250.36 = 794,068.21 : x - Step 2: Convert to fraction form
1,438,689.84/1,985,250.36 = 794,068.21/x - Step 3: Cross multiply
1,438,689.84x = 1,985,250.36 × 794,068.21 - Step 4: Simplify right side
1,438,689.84x = 1,576,424,199,767.06 - Step 5: Solve for x
x = 1,576,424,199,767.06/1,438,689.84 - Step 6: Final answer
x = 1,095,735.96
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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.