Home / 1,077,998.40-1,617,002.40-279,223.20

Finding the Fourth Proportional to 1,077,998.40, 1,617,002.40 and 279,223.20

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Solution

The fourth proportional to 1,077,998.40, 1,617,002.40 and 279,223.20 is: 418,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,998.40 : 1,617,002.40 = 279,223.20 : x
  2. Step 2: Convert to fraction form
    1,077,998.40/1,617,002.40 = 279,223.20/x
  3. Step 3: Cross multiply
    1,077,998.40x = 1,617,002.40 × 279,223.20
  4. Step 4: Simplify right side
    1,077,998.40x = 451,504,584,535.68
  5. Step 5: Solve for x
    x = 451,504,584,535.68/1,077,998.40
  6. Step 6: Final answer
    x = 418,836.04

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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.