Finding the Fourth Proportional to 1,147,370.36, 1,720,279.08 and 642,280.08
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Solution
The fourth proportional to 1,147,370.36, 1,720,279.08 and 642,280.08 is: 962,985.47
Step by Step Solution
- Step 1: Write the proportion equation
1,147,370.36 : 1,720,279.08 = 642,280.08 : x - Step 2: Convert to fraction form
1,147,370.36/1,720,279.08 = 642,280.08/x - Step 3: Cross multiply
1,147,370.36x = 1,720,279.08 × 642,280.08 - Step 4: Simplify right side
1,147,370.36x = 1,104,900,985,124.73 - Step 5: Solve for x
x = 1,104,900,985,124.73/1,147,370.36 - Step 6: Final answer
x = 962,985.47
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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.