Finding the Fourth Proportional to 1,031,318.56, 1,423,199.33 and 572,438.63
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Solution
The fourth proportional to 1,031,318.56, 1,423,199.33 and 572,438.63 is: 789,954.05
Step by Step Solution
- Step 1: Write the proportion equation
1,031,318.56 : 1,423,199.33 = 572,438.63 : x - Step 2: Convert to fraction form
1,031,318.56/1,423,199.33 = 572,438.63/x - Step 3: Cross multiply
1,031,318.56x = 1,423,199.33 × 572,438.63 - Step 4: Simplify right side
1,031,318.56x = 814,694,267,372.43 - Step 5: Solve for x
x = 814,694,267,372.43/1,031,318.56 - Step 6: Final answer
x = 789,954.05
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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.