Home / 891,058.70-1,333,635.60-820,199.90

Finding the Fourth Proportional to 891,058.70, 1,333,635.60 and 820,199.90

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Solution

The fourth proportional to 891,058.70, 1,333,635.60 and 820,199.90 is: 1,227,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,058.70 : 1,333,635.60 = 820,199.90 : x
  2. Step 2: Convert to fraction form
    891,058.70/1,333,635.60 = 820,199.90/x
  3. Step 3: Cross multiply
    891,058.70x = 1,333,635.60 × 820,199.90
  4. Step 4: Simplify right side
    891,058.70x = 1,093,847,785,756.44
  5. Step 5: Solve for x
    x = 1,093,847,785,756.44/891,058.70
  6. Step 6: Final answer
    x = 1,227,582.18

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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.