Finding the Fourth Proportional to 1,148,804.84, 1,585,378.50 and 639,541.64
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Solution
The fourth proportional to 1,148,804.84, 1,585,378.50 and 639,541.64 is: 882,582.95
Step by Step Solution
- Step 1: Write the proportion equation
1,148,804.84 : 1,585,378.50 = 639,541.64 : x - Step 2: Convert to fraction form
1,148,804.84/1,585,378.50 = 639,541.64/x - Step 3: Cross multiply
1,148,804.84x = 1,585,378.50 × 639,541.64 - Step 4: Simplify right side
1,148,804.84x = 1,013,915,565,910.74 - Step 5: Solve for x
x = 1,013,915,565,910.74/1,148,804.84 - Step 6: Final answer
x = 882,582.95
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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.