Finding the Fourth Proportional to 1,090,731.44, 1,505,271.45 and 655,281.99
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Solution
The fourth proportional to 1,090,731.44, 1,505,271.45 and 655,281.99 is: 904,326.44
Step by Step Solution
- Step 1: Write the proportion equation
1,090,731.44 : 1,505,271.45 = 655,281.99 : x - Step 2: Convert to fraction form
1,090,731.44/1,505,271.45 = 655,281.99/x - Step 3: Cross multiply
1,090,731.44x = 1,505,271.45 × 655,281.99 - Step 4: Simplify right side
1,090,731.44x = 986,377,271,246.19 - Step 5: Solve for x
x = 986,377,271,246.19/1,090,731.44 - Step 6: Final answer
x = 904,326.44
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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.