Home / 1,339,745.40-2,009,034.90-440,839.80

Finding the Fourth Proportional to 1,339,745.40, 2,009,034.90 and 440,839.80

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Solution

The fourth proportional to 1,339,745.40, 2,009,034.90 and 440,839.80 is: 661,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,745.40 : 2,009,034.90 = 440,839.80 : x
  2. Step 2: Convert to fraction form
    1,339,745.40/2,009,034.90 = 440,839.80/x
  3. Step 3: Cross multiply
    1,339,745.40x = 2,009,034.90 × 440,839.80
  4. Step 4: Simplify right side
    1,339,745.40x = 885,662,543,509.02
  5. Step 5: Solve for x
    x = 885,662,543,509.02/1,339,745.40
  6. Step 6: Final answer
    x = 661,067.80

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1.5x scale

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.