Home / 1,389,653.80-2,084,480.70-1,336,509.70

Finding the Fourth Proportional to 1,389,653.80, 2,084,480.70 and 1,336,509.70

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Solution

The fourth proportional to 1,389,653.80, 2,084,480.70 and 1,336,509.70 is: 2,004,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,653.80 : 2,084,480.70 = 1,336,509.70 : x
  2. Step 2: Convert to fraction form
    1,389,653.80/2,084,480.70 = 1,336,509.70/x
  3. Step 3: Cross multiply
    1,389,653.80x = 2,084,480.70 × 1,336,509.70
  4. Step 4: Simplify right side
    1,389,653.80x = 2,785,928,675,012.79
  5. Step 5: Solve for x
    x = 2,785,928,675,012.79/1,389,653.80
  6. Step 6: Final answer
    x = 2,004,764.55

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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.