Finding the Fourth Proportional to 1,328,253.99, 1,832,984.42 and 724,641.99
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Solution
The fourth proportional to 1,328,253.99, 1,832,984.42 and 724,641.99 is: 1,000,002.62
Step by Step Solution
- Step 1: Write the proportion equation
1,328,253.99 : 1,832,984.42 = 724,641.99 : x - Step 2: Convert to fraction form
1,328,253.99/1,832,984.42 = 724,641.99/x - Step 3: Cross multiply
1,328,253.99x = 1,832,984.42 × 724,641.99 - Step 4: Simplify right side
1,328,253.99x = 1,328,257,474,124.59 - Step 5: Solve for x
x = 1,328,257,474,124.59/1,328,253.99 - Step 6: Final answer
x = 1,000,002.62
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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.