Home / 1,200,588.12-1,800,976.95-401,872.59

Finding the Fourth Proportional to 1,200,588.12, 1,800,976.95 and 401,872.59

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Solution

The fourth proportional to 1,200,588.12, 1,800,976.95 and 401,872.59 is: 602,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,588.12 : 1,800,976.95 = 401,872.59 : x
  2. Step 2: Convert to fraction form
    1,200,588.12/1,800,976.95 = 401,872.59/x
  3. Step 3: Cross multiply
    1,200,588.12x = 1,800,976.95 × 401,872.59
  4. Step 4: Simplify right side
    1,200,588.12x = 723,763,271,426.80
  5. Step 5: Solve for x
    x = 723,763,271,426.80/1,200,588.12
  6. Step 6: Final answer
    x = 602,840.61

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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.