Home / 1,101,872.70-1,652,809.05-628,605.90

Finding the Fourth Proportional to 1,101,872.70, 1,652,809.05 and 628,605.90

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Solution

The fourth proportional to 1,101,872.70, 1,652,809.05 and 628,605.90 is: 942,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,872.70 : 1,652,809.05 = 628,605.90 : x
  2. Step 2: Convert to fraction form
    1,101,872.70/1,652,809.05 = 628,605.90/x
  3. Step 3: Cross multiply
    1,101,872.70x = 1,652,809.05 × 628,605.90
  4. Step 4: Simplify right side
    1,101,872.70x = 1,038,965,520,403.40
  5. Step 5: Solve for x
    x = 1,038,965,520,403.40/1,101,872.70
  6. Step 6: Final answer
    x = 942,908.85

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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.