Home / 1,380,096.32-2,070,338.88-481,406.99

Finding the Fourth Proportional to 1,380,096.32, 2,070,338.88 and 481,406.99

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Solution

The fourth proportional to 1,380,096.32, 2,070,338.88 and 481,406.99 is: 722,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,096.32 : 2,070,338.88 = 481,406.99 : x
  2. Step 2: Convert to fraction form
    1,380,096.32/2,070,338.88 = 481,406.99/x
  3. Step 3: Cross multiply
    1,380,096.32x = 2,070,338.88 × 481,406.99
  4. Step 4: Simplify right side
    1,380,096.32x = 996,675,608,500.77
  5. Step 5: Solve for x
    x = 996,675,608,500.77/1,380,096.32
  6. Step 6: Final answer
    x = 722,178.30

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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.