Home / 1,382,485.42-2,074,661.82-483,934.60

Finding the Fourth Proportional to 1,382,485.42, 2,074,661.82 and 483,934.60

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Solution

The fourth proportional to 1,382,485.42, 2,074,661.82 and 483,934.60 is: 726,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,485.42 : 2,074,661.82 = 483,934.60 : x
  2. Step 2: Convert to fraction form
    1,382,485.42/2,074,661.82 = 483,934.60/x
  3. Step 3: Cross multiply
    1,382,485.42x = 2,074,661.82 × 483,934.60
  4. Step 4: Simplify right side
    1,382,485.42x = 1,004,000,637,996.97
  5. Step 5: Solve for x
    x = 1,004,000,637,996.97/1,382,485.42
  6. Step 6: Final answer
    x = 726,228.74

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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.