Finding the Fourth Proportional to 1,351,990.58, 1,865,746.87 and 740,141.44
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Solution
The fourth proportional to 1,351,990.58, 1,865,746.87 and 740,141.44 is: 1,021,395.12
Step by Step Solution
- Step 1: Write the proportion equation
1,351,990.58 : 1,865,746.87 = 740,141.44 : x - Step 2: Convert to fraction form
1,351,990.58/1,865,746.87 = 740,141.44/x - Step 3: Cross multiply
1,351,990.58x = 1,865,746.87 × 740,141.44 - Step 4: Simplify right side
1,351,990.58x = 1,380,916,575,037.29 - Step 5: Solve for x
x = 1,380,916,575,037.29/1,351,990.58 - Step 6: Final answer
x = 1,021,395.12
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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.