Finding the Fourth Proportional to 1,435,157.33, 1,980,522.01 and 790,575.99
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Solution
The fourth proportional to 1,435,157.33, 1,980,522.01 and 790,575.99 is: 1,090,997.56
Step by Step Solution
- Step 1: Write the proportion equation
1,435,157.33 : 1,980,522.01 = 790,575.99 : x - Step 2: Convert to fraction form
1,435,157.33/1,980,522.01 = 790,575.99/x - Step 3: Cross multiply
1,435,157.33x = 1,980,522.01 × 790,575.99 - Step 4: Simplify right side
1,435,157.33x = 1,565,753,146,047.28 - Step 5: Solve for x
x = 1,565,753,146,047.28/1,435,157.33 - Step 6: Final answer
x = 1,090,997.56
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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.