Finding the Fourth Proportional to 1,232,434.89, 1,700,591.08 and 688,503.08
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Solution
The fourth proportional to 1,232,434.89, 1,700,591.08 and 688,503.08 is: 950,039.80
Step by Step Solution
- Step 1: Write the proportion equation
1,232,434.89 : 1,700,591.08 = 688,503.08 : x - Step 2: Convert to fraction form
1,232,434.89/1,700,591.08 = 688,503.08/x - Step 3: Cross multiply
1,232,434.89x = 1,700,591.08 × 688,503.08 - Step 4: Simplify right side
1,232,434.89x = 1,170,862,196,400.53 - Step 5: Solve for x
x = 1,170,862,196,400.53/1,232,434.89 - Step 6: Final answer
x = 950,039.80
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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.