Finding the Fourth Proportional to 1,018,774.42, 1,525,639.30 and 748,261.06
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Solution
The fourth proportional to 1,018,774.42, 1,525,639.30 and 748,261.06 is: 1,120,539.01
Step by Step Solution
- Step 1: Write the proportion equation
1,018,774.42 : 1,525,639.30 = 748,261.06 : x - Step 2: Convert to fraction form
1,018,774.42/1,525,639.30 = 748,261.06/x - Step 3: Cross multiply
1,018,774.42x = 1,525,639.30 × 748,261.06 - Step 4: Simplify right side
1,018,774.42x = 1,141,576,474,110.91 - Step 5: Solve for x
x = 1,141,576,474,110.91/1,018,774.42 - Step 6: Final answer
x = 1,120,539.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.