Home / 1,407,336.12-2,110,868.91-396,441.95

Finding the Fourth Proportional to 1,407,336.12, 2,110,868.91 and 396,441.95

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Solution

The fourth proportional to 1,407,336.12, 2,110,868.91 and 396,441.95 is: 594,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,336.12 : 2,110,868.91 = 396,441.95 : x
  2. Step 2: Convert to fraction form
    1,407,336.12/2,110,868.91 = 396,441.95/x
  3. Step 3: Cross multiply
    1,407,336.12x = 2,110,868.91 × 396,441.95
  4. Step 4: Simplify right side
    1,407,336.12x = 836,836,976,320.43
  5. Step 5: Solve for x
    x = 836,836,976,320.43/1,407,336.12
  6. Step 6: Final answer
    x = 594,624.81

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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.