Home / 1,603,579.20-2,211,166.01-1,021,880.87

Finding the Fourth Proportional to 1,603,579.20, 2,211,166.01 and 1,021,880.87

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Solution

The fourth proportional to 1,603,579.20, 2,211,166.01 and 1,021,880.87 is: 1,409,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,579.20 : 2,211,166.01 = 1,021,880.87 : x
  2. Step 2: Convert to fraction form
    1,603,579.20/2,211,166.01 = 1,021,880.87/x
  3. Step 3: Cross multiply
    1,603,579.20x = 2,211,166.01 × 1,021,880.87
  4. Step 4: Simplify right side
    1,603,579.20x = 2,259,548,229,847.99
  5. Step 5: Solve for x
    x = 2,259,548,229,847.99/1,603,579.20
  6. Step 6: Final answer
    x = 1,409,065.56

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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.