Home / 1,401,910.20-2,102,865.30-455,376.60

Finding the Fourth Proportional to 1,401,910.20, 2,102,865.30 and 455,376.60

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Solution

The fourth proportional to 1,401,910.20, 2,102,865.30 and 455,376.60 is: 683,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,910.20 : 2,102,865.30 = 455,376.60 : x
  2. Step 2: Convert to fraction form
    1,401,910.20/2,102,865.30 = 455,376.60/x
  3. Step 3: Cross multiply
    1,401,910.20x = 2,102,865.30 × 455,376.60
  4. Step 4: Simplify right side
    1,401,910.20x = 957,595,650,571.98
  5. Step 5: Solve for x
    x = 957,595,650,571.98/1,401,910.20
  6. Step 6: Final answer
    x = 683,064.90

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1.5x scale

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.