Finding the Fourth Proportional to 1,188,354.48, 1,639,826.28 and 698,272.08
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Solution
The fourth proportional to 1,188,354.48, 1,639,826.28 and 698,272.08 is: 963,555.01
Step by Step Solution
- Step 1: Write the proportion equation
1,188,354.48 : 1,639,826.28 = 698,272.08 : x - Step 2: Convert to fraction form
1,188,354.48/1,639,826.28 = 698,272.08/x - Step 3: Cross multiply
1,188,354.48x = 1,639,826.28 × 698,272.08 - Step 4: Simplify right side
1,188,354.48x = 1,145,044,907,374.26 - Step 5: Solve for x
x = 1,145,044,907,374.26/1,188,354.48 - Step 6: Final answer
x = 963,555.01
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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.