Finding the Fourth Proportional to 1,117,405.26, 1,542,054.24 and 633,990.78
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Solution
The fourth proportional to 1,117,405.26, 1,542,054.24 and 633,990.78 is: 874,927.12
Step by Step Solution
- Step 1: Write the proportion equation
1,117,405.26 : 1,542,054.24 = 633,990.78 : x - Step 2: Convert to fraction form
1,117,405.26/1,542,054.24 = 633,990.78/x - Step 3: Cross multiply
1,117,405.26x = 1,542,054.24 × 633,990.78 - Step 4: Simplify right side
1,117,405.26x = 977,648,170,419.91 - Step 5: Solve for x
x = 977,648,170,419.91/1,117,405.26 - Step 6: Final answer
x = 874,927.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.