Home / 1,206,039.28-1,808,674.80-396,235.68

Finding the Fourth Proportional to 1,206,039.28, 1,808,674.80 and 396,235.68

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Solution

The fourth proportional to 1,206,039.28, 1,808,674.80 and 396,235.68 is: 594,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,039.28 : 1,808,674.80 = 396,235.68 : x
  2. Step 2: Convert to fraction form
    1,206,039.28/1,808,674.80 = 396,235.68/x
  3. Step 3: Cross multiply
    1,206,039.28x = 1,808,674.80 × 396,235.68
  4. Step 4: Simplify right side
    1,206,039.28x = 716,661,489,276.86
  5. Step 5: Solve for x
    x = 716,661,489,276.86/1,206,039.28
  6. Step 6: Final answer
    x = 594,227.32

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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.