Finding the Fourth Proportional to 1,122,823.49, 1,684,248.59 and 313,158.69
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Solution
The fourth proportional to 1,122,823.49, 1,684,248.59 and 313,158.69 is: 469,741.76
Step by Step Solution
- Step 1: Write the proportion equation
1,122,823.49 : 1,684,248.59 = 313,158.69 : x - Step 2: Convert to fraction form
1,122,823.49/1,684,248.59 = 313,158.69/x - Step 3: Cross multiply
1,122,823.49x = 1,684,248.59 × 313,158.69 - Step 4: Simplify right side
1,122,823.49x = 527,437,082,861.64 - Step 5: Solve for x
x = 527,437,082,861.64/1,122,823.49 - Step 6: Final answer
x = 469,741.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.