Finding the Fourth Proportional to 1,153,389.29, 1,591,690.58 and 637,132.49
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Solution
The fourth proportional to 1,153,389.29, 1,591,690.58 and 637,132.49 is: 879,250.21
Step by Step Solution
- Step 1: Write the proportion equation
1,153,389.29 : 1,591,690.58 = 637,132.49 : x - Step 2: Convert to fraction form
1,153,389.29/1,591,690.58 = 637,132.49/x - Step 3: Cross multiply
1,153,389.29x = 1,591,690.58 × 637,132.49 - Step 4: Simplify right side
1,153,389.29x = 1,014,117,771,400.83 - Step 5: Solve for x
x = 1,014,117,771,400.83/1,153,389.29 - Step 6: Final answer
x = 879,250.21
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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.