Finding the Fourth Proportional to 917,183.19, 1,369,598.67 and 749,037.30
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Solution
The fourth proportional to 917,183.19, 1,369,598.67 and 749,037.30 is: 1,118,512.09
Step by Step Solution
- Step 1: Write the proportion equation
917,183.19 : 1,369,598.67 = 749,037.30 : x - Step 2: Convert to fraction form
917,183.19/1,369,598.67 = 749,037.30/x - Step 3: Cross multiply
917,183.19x = 1,369,598.67 × 749,037.30 - Step 4: Simplify right side
917,183.19x = 1,025,880,489,860.39 - Step 5: Solve for x
x = 1,025,880,489,860.39/917,183.19 - Step 6: Final answer
x = 1,118,512.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.