Finding the Fourth Proportional to 1,319,280.84, 1,820,611.06 and 715,668.84
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Solution
The fourth proportional to 1,319,280.84, 1,820,611.06 and 715,668.84 is: 987,624.90
Step by Step Solution
- Step 1: Write the proportion equation
1,319,280.84 : 1,820,611.06 = 715,668.84 : x - Step 2: Convert to fraction form
1,319,280.84/1,820,611.06 = 715,668.84/x - Step 3: Cross multiply
1,319,280.84x = 1,820,611.06 × 715,668.84 - Step 4: Simplify right side
1,319,280.84x = 1,302,954,605,401.37 - Step 5: Solve for x
x = 1,302,954,605,401.37/1,319,280.84 - Step 6: Final answer
x = 987,624.90
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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.