Finding the Fourth Proportional to 1,057,647.12, 1,585,122.84 and 495,442.32
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Solution
The fourth proportional to 1,057,647.12, 1,585,122.84 and 495,442.32 is: 742,532.10
Step by Step Solution
- Step 1: Write the proportion equation
1,057,647.12 : 1,585,122.84 = 495,442.32 : x - Step 2: Convert to fraction form
1,057,647.12/1,585,122.84 = 495,442.32/x - Step 3: Cross multiply
1,057,647.12x = 1,585,122.84 × 495,442.32 - Step 4: Simplify right side
1,057,647.12x = 785,336,937,334.59 - Step 5: Solve for x
x = 785,336,937,334.59/1,057,647.12 - Step 6: Final answer
x = 742,532.10
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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.