Finding the Fourth Proportional to 1,374,505.41, 1,896,921.68 and 762,774.24
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Solution
The fourth proportional to 1,374,505.41, 1,896,921.68 and 762,774.24 is: 1,052,686.28
Step by Step Solution
- Step 1: Write the proportion equation
1,374,505.41 : 1,896,921.68 = 762,774.24 : x - Step 2: Convert to fraction form
1,374,505.41/1,896,921.68 = 762,774.24/x - Step 3: Cross multiply
1,374,505.41x = 1,896,921.68 × 762,774.24 - Step 4: Simplify right side
1,374,505.41x = 1,446,922,988,987.65 - Step 5: Solve for x
x = 1,446,922,988,987.65/1,374,505.41 - Step 6: Final answer
x = 1,052,686.28
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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.